1. Have you ever drunk this tea before ? => Is this ………………..?
2. Why don’t you take part in this acvivity ? => I think
3. To do this work is very difficult . => This work .....................

.                                                              => It’s ..............

4.  I’d like you to solve the problem. => Do you ....................................... ?

5.  She hasn’t met him since she left HaNoi. => The last time ................................

6.  We last went to Hanoi in May. => We haven’t .................................................

7.  Listening to music gives me  => I enjoy .............................................

8.  May I turn off the lights ? => Would you ............................................ ?

9.  Do you mind my opening the window ? => Do you mind .....................?

                                                                      =>Is it .............. ?

10.  “ You should do your homework carefully”, Nam said to me.

=> Nam advised .........

11.  It’s four months since he last spoken to me. => He hasn’t ......................................

12.  Hoa doesn’t speak English as fluently as she used to. => Hoa used to ............

13.  “ Are you doing your homework ?” Nam asked me .....................................

14.  “ What is she doing ?” Nam asked . => Nam asked ..............................

15.  Hoa will be fifteen next week. => It’s .....................................

16.  How long is it since they bought this house ? => When ................................. ?

17.  He began to read this book two hours ago.  => he has ..........................................

18.  I have never read such an interesting story. => This is .....................

 => This is .............

19.  Mai has never done such a good thing. => This is ........................

 => This is .................

20.  My room is large. Her room is large, too.  => (same) ..................

 => ( as... as ) .............

21.  She often met her when she lived in Ha Noi. => She used ..............................

22.  It’s unnecessary for her to do that work. => She doesn’t ..................................

23.  Does he have to sell this house ? => Is it ................................ ?

24.  She couldn’t pass the exam because she was lazy. => Because of ......................

26.  She is young. She can’t take part in this activity.

=> ( so.... that ) .................... => (enough ) .......................=> ( too .... to ) .............................

27.  She ‘ll write to you when she comes to Hue. She promises. => She promises .........

28.  She ‘s back from Ha Noi after two months there. => She has ......................

29.  It took us two months to do that work. => We spent .......................................

30.  She did these exercises in two hours. => She spent .......................

=> It took ..........

31.  What’s the weather like ? => How .................. ?

cho khí HCl vào dung dịch AgNO3 có hiện tượng j

print("chon gia tri cua a(1 or 2)")
b=[]
a = input()

if a == 1:
print("b = 2")
if a == 2:
print("b = 1")
for a in range (3,100000000000000000000000000000000000000000000000000000000000000):
print("gia tri khong ton tai")

xem giùm mình lỗi ở chỗ nao nha.Thk!

II. Complete each of the following sentences using the correct a phrasal verb from the box.
lived on
looked through

passed down
set off
turned down
closed down
come back
deal with
gets up
keep up with
1. They offered her a trip to Europe but she it.......................
2. He has..........................the report and found nothing interesting.
3. Phong walks too fast and it's really hard to....................him.
4. These traditional stories have been...............from parents to children over many generations.
5. My sister is an early bird. She...............at 7 o'clock every day of the week.
6. We'll.........................for Tay Ho village at 9 o'clock and arrive at 10 o'clock.
7. When I was a student, I..........................small allowances from my parents.
8. The government must now.....................the preservation of traditional craft villages.
9. The banks have....................a lot of branches in villages over the last few years.
10. Many foreign tourists decided to......................Viet Nam for another holiday.

có 1 con sói và 1 cô bé. cô bé thấy sói thì lùi lại 5 bước chân. Sói thấy thế thì tiền hêm 10 bước. Biết con sói và cô sé lúc đầu cách nhau 57 bước chân. Hỏi cách mấy bước thì con sói có thể ăn thịt cô bé và cách  mấy bước thì cô bé có thể ăn thịt con sói ( nhầm :>) chạy khỏi con sói ! :))))))

I. Complete the sentences with suitable subordinators from the box.
because
before
although
so that
while
as soon as
1...................I go out tonight, I will have to finish this essay.
2. Phong burnt his hand...................he was cooking dinner.
3. Laura always gets up early every morning............she's not late for her work.
4. Mr. Harrison seems to have a lot of money.............he lives in a luxurious house.
5...................... I was waiting for the bus, I saw some foreign tourists.
6. They didn't win the game..................they played very well.
7. The children are very excited....................they're going to visit a craft village this weekend.
8. We will tell Alice about the trip..............we meet her.
9..........................it rained a lot, they enjoyed their holiday.
10. I bought a new pair of glasses.....................I can see better.

cho mình hỏi bộ nhất có nghĩa là gì 

cho mình luôn cả cái định nghĩa nhé

mng mn trả ls nhanh vì mik đag cần gấp

Đề bài: Viết một đoạn văn khoảng 200 chữ về sự cần thiết để rèn luyện lối sống giản dị đối với học sinh

Chọn đáp án đúng nhất : 

1. She invited her friend to go to Bat Trang village, but he ......down her invitation.
A. turned
B. put
C. played
D. passed
2.
......... she tried really hard, she didn’t pass the exams.

A. Since

B. Despite
C. Although
D. Because
3. He works as a (an)...............in his uncle's workshop.
A. attraction

B. artisan

C. embroider

D. handicraft
4. The company is going to close .. . one of its stores due to reduced sales.
A. on 

B. to 

C. of 

D. down 

5. Do you know what time we will set.........tomorrow?

A. up
B. on

C. off

D. by 

6. I'm learning English ................ I want to get a better job.

A. or             B. because                 C. therefore           D. but 

7. The car has been ........... in clay.

A. moulded
B. woven

C. embroidered 

D. cast 

8. Local people often sell ................. like bracelets, scarves and hats to tourists.
A. lacquerware B. artisans
C. workshop D. handicrafts

9. Conical hat making in the village has been passed ............ from generation to generation . 

A. on            B. down                 C.up                             D. away 

10. Conical hat making has been a ................. craft in Tay Ho village. 

A. tradition         B. traditional          C. traditionally              D. traditionalist

Cho hình chóp SABCD, SA vuông góc (ABCD) , ABCD là hình chữ nhật có AB = a , AD 2a , góc hợp bởi (SBC) và đáy là 60° . Tính chiều cao và thể tích khối chóp

Chọn đáp án đúng nhất :

Cho số hữu tỉ x =$\frac{a-3}{2}$ với giá trị nào của a thì:

A) x là số dương

B) x là số âm

C) x không là số dương, cũng không là số âm

Cho tam giác ABC vuông ở A ,AB = 6 cm AC = 8 cm
a)Tính BC, góc B, góc C
b) phân giác của góc A cắt BC tại D. tính BD, CD
c) từ D kẻ DF vuông góc với AB, DF vuông góc với AC

-tứ giác AEDF là hình gì

-Tính chu vi và diện tích của tứ giác AEDF