Supply the correct forms of verbs

1. The girls _________________ (skip) at the moment.

2. Nam ________________ his bike at present. (ride).

3. We’d like _________________ (go) swimming. We don’t like going__________ (jog)

4. Mai never _______________ (stay) up late.

5. He ____________ (brush) his teeth often.

6. Lan always _______________ (do) her tests carefully.

1.He wanted to win the race . He ran …………….. *
A.faster than he can
B.fast as he could.
C.fast as he can.
D.as fast as he could.
2.When I got home, my parents………..TV. *
A.are watching
B.watched
C.watching
D.were watching
3.Your refusal to attend the party made everyone feel sad. *
A.Everyone felt sad attending the party.
B.You made everyone sad about your refusal to throw the party.
C.Your attendance at the party made everyone feel sad.
D.Every one felt sad when you refused to attend the party.
4.He is so sad because the film ended ................. *
A.happily
B.unhappily
C.unhappy
D.happy
5.Have you ever stopped ……… why people give each ……….. eggs at Easter ? *
A.to wonder/ others
B.to wonder/ other
C.wondering/ others
D.wondering/ other
6.He will go as soon as he…………his homework. *
A.finishes
B.finished
C.finish
D,will finish
There isn’t .................foreign news in the paper. *
a lot
many
much
some
She used to work as a typist,...............she? *
had
didn't
hadn't
did
There you are! I _____ for two hours. Where’ve you been? *
have waited
wait
had waited
waited
Jack can’t remember _____ the telephone number down. *
write
writing
to write
to writing

1. I want ____( buy ) some books.

2. He used  to____( have ) a car.

3. I am used to___( cross) the busy roads.

4. He is fond of__( watch) cartoons.

5. I hate __( eat) carrots.

6. I have finished __( do) my homework.

7. He ( do)__ his homework last night.

8. I ( be )___tired for 2 days.

9. They__( collect ) old books for children next week.

10. He often ( drink) _ beer.

11. You should___( do) exercises every day.

12. He ( make)___ many cakes last night.

13. I ( not do)___ my homework yet.

14.I think  ( take) _photos is an expensive hobby.

15. It is exciting __( take)part in this sport game 

$A = \sqrt{18} -\sqrt{50} + \sqrt{( 2-2\sqrt{2{)}^2}}$ không dùng máy tính cầm tay , hãy rút gọn biểu thức

Phân tích đa thức thành nhân tử:
a) 15x^2 − 7xy − 2y^2

b) 12x^2 + 7xy − 12y^2

c) 5x^2 + 6xy + y^2

d) 3x^2 − 5xy + 2y^2

e) x^2 + 4xy − 12y^2

f ) x^2 + xy − 6y^2

hai xe khởi hành lúc 7 giờ từ 2 địa điểm A và B cách nhau 200Km.xe thứ nhất đi từ A về phía B với vận tốc V1=48km/h.Xe thứ hai đi từ B với vận tốc V2=32 km/h theo hướng ngược với xe thứ nhất.Xác định thời điểm hai xe gặp nhau

:)))) cho mình xin if của 1 anh 2k3,2k2 học giỏi hoá với lý lớp 12 nhá có gì làm Ny mình luôn đi số Zalo là : 0926320060 nha 

??

một ôto đi 30 phút trên con đường bằng phẳng với vận tốc 40km/h,sau đó lên dốc 15 phút với vận tốc 32km/h.Coi ôt chuyển động đều.Tính quãng đường oto đã đi trong cả 2 giai đoạn

Đề bài: hiện nay rất nhiều bạn trẻ ham mê thậm chí nghiện Facebook.Ở bất cứ đâu ta đều nhìn thấy hình ảnh các bạn trẻ cắm mặt vào chiếc điện thoại tay bấm liên hồi rồi lại tủm tỉm cười một mình.Hầu hết mọi người đều phải vào Facebook hàng ngày.Từ đó em hãy viết đoạn văn nếu suy nghĩ về mạng xã hội ( ít nhất 1 mặt giấy kiểm tra) 

1They last visited me five year ago. *
A.I haven't been visited me for a long time.
B.They haven't visited me for five years.
C.They haven't visited me for a long time.
D. They have known me for five years.
2I wish you……………… me how to do this exercise *
A.could help
B.help
C.can help
D.will help
3Just think, ______ two years’ time, we’ll be 18! *
A.for
B.under
C.over
D. in
4The manager asked me ............................. for him outside his office. *
A.to wait
B.wait
C.waiting
D.to waiting
5.Our expert staff will provide you with useful ................................... about the city *
A.informed
B.inform
C.informative
D.information

6.You have never been to Ha Long Bay,…………..? *
A.haven't you
B.do you
C.have you
D.don't you
7.My aunt speaks English very ................................ *
A.well
B.goodly
C.est
D.good
8.As soon as he arrived at the airport, he called home. *
A.He arrived at the airport sooner than he had expected.
B.No sooner had he arrived at the airport than he called home.
C.Calling home , he said that he had arrived at the airport.
D.He arrived at the airport and called me to take him home .
9.Children enjoy ......... ghosts stories, especially on Hallowen night. *
A.to listen
B.listening to
C.to listening
D.listen to

10.I am fat,…………? *
A. am I
B.don't I
C.am not I
D.aren't I

1. John ................................... (not/work) now. He ................................... (look) outside the window of his office. He can see two people across the street in the park. One is a woman. She ...................................(wear) a dress. She................................... (look) like she is 40 years old. The other is a man. He ....................... (not/have) any hair.

He ....................... (seem) angry at the woman. Maybe they....................... (fight).
They................................... (not/look) happy.
2. There are three other people in the park. They ................................... (have) a picnic. It
looks like they ...................................have) a good time. One man ............................. (taste) a piece of chicken. The chicken ................................... (look) delicious. The other people ................................... (not/eat). They ................................... (play) cards.
3. John ................................... (want) to leave his office, but he can’t. He ....................... (belong) to a big company, and he ................................... (have) a lot of work to do today. He shouldn’t be looking outside the window. He should ................................... (think) about his work.
4. His responsibilities for today ................................... (include) writing a report.
He ................................... (care) about his job. He................................... (not/mind) writing a report, but he ................................... (wish) he was outside right now.
5. John can see his boss. His boss ................................... (not/work) either. He ................. (watch) a video on his computer. He ................................... (look) happy.
He .......................... (laugh) a little. His boss often .......................... (watch) videos.

1.Has Sue finished _____ yet? *
A.washing up
B.wash upping
C.to wash up
D.wash up
2."Let's invite Tom to the party this sunday"- Mark said *
A.Mark suggested inviting Tom to the party on sunday.
B.Mark suggested us to invite Tom to the party on sunday.
C.Mark said that we should invite Tom to the party on sunday.
D.Mark told us to invite Tom to the party on sunday.
3.They left early because they didn't want to get caught in the traffic. *
A.They left early so that not to get caught in the traffic
B.They left early in order to not get caught in the traffic.
C.They left early so as not to get caught in the traffic
D.They left early so to avoid getting caught in the traffic
4.If I ……………..you, I'd take some rest before the game tomorrow *
A.was
B.had been
C.am
D.were
5.She hasn’t written to me ........................................ *
A.yet
B.never
C.already
D.just
7.He has been there .................................. six months *
A.since
B.in
C.with
D.for
8.Hung……………….go fishing with his uncle when he lived in the countryside. *
A.who used to
B.has used to
C.used to
D.is used to
9."Where does your father work" - He asked me. *
A.He asked me where my father works.
B.He asked me to find where my father worked.
C.He asked me to find where my father works.
D.He asked me where my father worked.
10.Would you mind…………..me with this exercise ? *
A.to help
B.to helping
C.help
D.helping

Đề em để dưới phần bình luận ạ

V. Complete the following sentences with will or won’t and a verb
from the box.
- New word
Buy: mua
Phone (v): gọi điện
(n): điện thoại
Invite(v): mời
➔ Invitation (n): lời mời
Meet (v): gặp nhau, gặp nhau
Live (v): sống
End (v): kết thúc
Chat (v): nói chuyện
Use(v): sử dụng
1. Wait a minute, please. The concert (buổi hòa nhạc)______________
soon.
2. When ______________ humans ______________ on the Red Planet?
3. OK. At 5 o’clock we ______________ you outside the shopping centre.
4. They probably ______________me the job. I had a terrible ( kì lạ )
interview ( phỏng vấn ).
5. I’m sorry about losing ( mất ) that book. I ______________ you
another ( khác ) one next week.
6. ________ you ________ me when you get the news?
7. If it doesn’t rain tomorrow, we ______________ our umbrellas ( cái ô).
8. Turn on your laptop tonight. We ______________ a little bit.
9. I______________ them here again, whatever you say.
10. I think people ______________ CDs in 20 years’ time.

$\sqrt{2+\sqrt{3}}$

Ở một loài động vật, tính trạng độ dài chân do một gene có 2 alen nằm trên NST thường quy
định, trong đó chân cao trội hoàn toàn so với chân thấp.
a) Đem con đực chân cao lai với con cái chân thấp, trên lý thuyết đời con sẽ có kết quả ra sao?( 3 trội: 1 lặn. Kq của mình)
b) Đem những cặp bố mẹ khác nhau giao phối, hỏi những phép lai nào cho đời con:
b1 – Toàn là chân cao?---------- b2 – Toàn là chân thấp?-------------- b3 – Có cả chân cao, chân thấp?

1. He's a bad tennis player

He plays.......

2. Mr Thanh is a doctor . Mrs Thanh is a doctor , too

Mr Thanh is a doctor . And so.......

3. Hoa likes beef and so does Nga 

Hoa likes beef and Nga ......

4. I don't like pineapple . Neither does Ba 

I don't like pineapple and Ba........

5. Ba is a good badminton player 

He........

1They last visited me five year ago. *
A.I haven't been visited me for a long time.
B.They haven't visited me for five years.
C.They haven't visited me for a long time.
D. They have known me for five years.
2I wish you……………… me how to do this exercise *
A.could help
B.help
C.can help
D.will help
3Just think, ______ two years’ time, we’ll be 18! *
A.for
B.under
C.over
D. in
4The manager asked me ............................. for him outside his office. *
A.to wait
B.wait
C.waiting
D.to waiting
5.Our expert staff will provide you with useful ................................... about the city *
A.informed
B.inform
C.informative
D.information

6.You have never been to Ha Long Bay,…………..? *
A.haven't you
B.do you
C.have you
D.don't you
7.My aunt speaks English very ................................ *
A.well
B.goodly
C.est
D.good
8.As soon as he arrived at the airport, he called home. *
A.He arrived at the airport sooner than he had expected.
B.No sooner had he arrived at the airport than he called home.
C.Calling home , he said that he had arrived at the airport.
D.He arrived at the airport and called me to take him home .
9.Children enjoy ......... ghosts stories, especially on Hallowen night. *
A.to listen
B.listening to
C.to listening
D.listen to

10.I am fat,…………? *
A. am I
B.don't I
C.am not I
D.aren't I

rút gọn biểu thức 

a) A=x^3-6x^2+12x-8

b) B=1-3x/2+3x^2/4-x^3/8

c) C=(2x+y)^3-6.(2x+y)^2.x+12.(2x+y)x^2-8x^3

Cho tam giác ABC vuông tại A, đường cao AH. Biết AB=9cm, AC=12cm
a) Tính AH,HB,HC
b) Từ h kẻ HE vương goác với AB(E thuộc AB). C/m HB.HC=AE.AB
c) Tia phân giác của BAC cắt BC tại D. Tính DB,DC
d) Từ H kẻ HF vuông góc với AC(F thuộc AC). C/m tan^3C = EB/FC

Tính các góc của hình thang cân biết rằng 1 góc = 50 độ

Viết các biểu thức sau dưới dạng bình phương của một tổng hoặc một hiệu 

a) x^3-9x^2+27x-27

b) -x^3/8+3/4x^2-3/2x+1

c) x^6-3/2x^4y+3/4x^2y^2-1/8y^3

1. I want you to open the window 

Would ........

2. How tall is he

What......

3. What is her weight

How......

4. My mother wants me not to get up late

My mother doesn't .........

5. My brother likes watching beeter than cycling 

My brother prefers ......

a) (x-2)^3

b) (2x-3y)^3

c) (x+y/x)^3

d) (2x^2+3y^3)

viết đoạn văn theo cách quy nạp ( khoảng 8-10 câu ) trình bay suy nghĩ của em về lối sống giản di của Bác trong văn bản Đức tính giản dị của Bác Hồ của tác giả Phạm Văn Đồng . Trong đoạn văn có sử dụng câu bị động và phép thế