III. Choose the best answers.

1. I am looking forward to ___________ you.

A. seeing B. see C. to see D. saw

2. I arranged__________ them here.

A. to meet B. meeting C. met D. meet

3. He urged us __________ faster.

A. working B. work C. to work D. worked

4. I wish___________ the manager.

A. see B. seeing C. saw D. to see

5. It’s no use ____________

A. wait B. waiting C. to wait D. waited

6. He warned her ____________ the wire.

A. not touching B. not touch C. not to touch D. to not touch

7. Don’t forget ___________ the door before ____________ to bed.

A. to lock/ going B. locking/ going C. to lock/ to go D. lock/ going

8. My mother told me _____________ to anyone about it.

A. not speaking B. not speak C. to not speak D. not to speak

9. He tried _________ but she refused ____________

A. to explain/ listen B. to explain/ to listen C. explain / listen D.explaining/ listening 

10. Would you mind __________ me how __________ the lift?

A. to show/ to work B. show/ work C. showing/ to work D.showing/ working

11. I couldn’t help ____________ what you said.

A. overhear B. overhearing C. overheard D. to overhear

12. Please go on ___________.I can wait.

A. write B. to write C. wrote D. writing

13. His doctor advised him __________ jogging.

A. to give up B. give up C. giving up D. gave up

14. Do stop ___________. I am doing my homework.

A. talk B. talking C. to talk D. talked

15. Mrs. Jones: I don’t allow my family __________ at all.

A. smoking B. to smoke C. smoked D. smoke

16. I am beginning ____________ what you mean.

A. to understand B. understand C. understanding D. A & C

1/ Lan / enjoy / listen / music. .  (Use the suggestions to write complete sentences)

2/ brother/ interested / find / new job.

3/ father / tired / work /  his factory.

4/ father / give up / drink coffee / last month.

5/ your sister / fond / go swimming?

6/ they / bored / talk / their neighbour.

7/ I / begin / learn / English / last year.

8/ They / stop / argue / when / I / arrive.

9/ The workers / start / widen / road / 1999.

10/ I can't stand / stay / home all day.

11/ He / leave / restaurant / without / pay the bill.

12/ They / stop / talk/ when / teacher / come in.

13/ Lan / hate / drink milk.

14/ I / not mind / work hard.

15/ sister / afraid / be at home / alone.

16/ We / bored / watch / Vietnamese films / TV.

17/ mother / interested / learn / foreign language.

18/ favourite pastime / fish.

19/ Play chess / not / pastime.

20/ I / not used to / work / overtime.

21/ Children / fed / with / water / flowers.

22/ They / fond / practise English.

II/. Use the suggestions to write complete sentences

1/ Lan / enjoy / listen / music.

2/ brother/ interested / find / new job.

3/ father / tired / work /  his factory.

4/ father / give up / drink coffee / last month.

5/ your sister / fond / go swimming?

6/ they / bored / talk / their neighbour.

7/ I / begin / learn / English / last year.

8/ They / stop / argue / when / I / arrive.

9/ The workers / start / widen / road / 1999.

10/ I can't stand / stay / home all day.

11/ He / leave / restaurant / without / pay the bill.

12/ They / stop / talk/ when / teacher / come in.

13/ Lan / hate / drink milk.

14/ I / not mind / work hard.

15/ sister / afraid / be at home / alone.

16/ We / bored / watch / Vietnamese films / TV.

17/ mother / interested / learn / foreign language.

18/ favourite pastime / fish.

19/ Play chess / not / pastime.

20/ I / not used to / work / overtime.

21/ Children / fed / with / water / flowers.

22/ They / fond / practise English.

em cần gấp trong ngày mai ạ 

4. Your motorbike __________________ yet? I'd like to borrow it. (repair)
5. The message ___________________ tomorrow, I promise. (send)
6. These offices __________________ now. Be careful, the floors are wet. (clean)
7. This report _________________ in time if you didn't help me. Thank you very much. (not finish)
8. Last week I ___________________ about these problems. (inform)
9. This building needs renovating. It ___________________ since the 1960's. (not reconstruct)
10. Madam, you cannot take your bag into the gallery. All bags _____________ in the cloakroom. (must leave)

20. Wait a little! Your question (discuss) ____________________ now.
A. discusses B. is discussed C. is being discuss D. is being discussed

A = x3 + 4x2 + 3x – 7;       B = x + 4

a, Tính A : B

b, Tìm x ∈ Z để giá trị biểu thức A chia hết cho giá trị biểu thức B.

20. Wait a little! Your question (discuss) ____________________ now.
A. discusses B. is discussed C. is being discuss D. is being discussed
Exercise 2: Hoàn thành các câu sau với thể bị động của động từ trong ngoặc ở thì thích hợp.
Yêu cầu:
- Xác định dấu hiệu thì
- Chia thể bị động
1. In this street letters _________________ by the postman at 8 a.m every day. (deliver)
2. This bag _________________ on the bus yesterday night. (find)
3. I'm afraid the dress _______________ in hot water. (cannot wash)

Ở 1 tb sinh dục sơ khai gà trống (2n=78)sau 1 số đợt NP liên tiếp môi trường cung cấp 19890 nst đơn. Các tb con đc tạo ra đều trở thành tb sinh

giảm phân cho tinh trùng. Hiệu suất thụ tinh của tinh trùng là 6,25%, của trứng là 50%. Theo lý thuyết, hãy XĐ:

a.     Số lượng TB sinh tinh và số lượng TB sinh trứng cần thiết để hoàn tất quá trình thụ tinh.

Để hoàn tất quá trình thụ tinh, môi trường đã phải cung cấp bao nhiêu NST đơn. Biết rằng các TB sinh trứng được tạo ra từ một TB sinh dục cái ban đầu

Vật dao động với chu kỳ 3s có biên độ A. Thời điểm 6,375s vật ở li độ cực đại. Tại thời điểm 22,375s vật đi theo chiều âm hay dương ? Qua vị trí nào ?

2, rút gọn ;B= ( 4 căn x trên 2+ căn x  + 8x trên 4-x) : ( căn x-1 trên x-2 căn x - 2 trên căn x)

1, rút gọn ; A= (căn x - 1 trên căn x) : (căn x  - 1 trên căn x  +   1- căn x trên x+ căn x)

50.     He often (have)… ………coffee for breakfast.

51.     What (be)…… ……the weather like today? It (be)…… …….cold.

52.     He usually (go jogging)…… ….in the morning.

53.     He often (go)…… ……swimming. He (go)… …….swimming at the moment.

54.     My sister (do)… …aerobics every morning.

55.     Lan (go)…… …….to school six days a week.

56.     We (not/go)… ……..swimming in the winter.

57.     He often (go)…… …….the movie on Sunday.

58.     The students (do)… ………..their homework now.

59.     My mother (like)…… …….iced tea.

60.     He never (go)…...camping because he (not/have)…… …a tent.

Viết đoạn văn  6-8 câu về " Sách là người bạn tốt của con người viết theo lời dẫn gián tiếp giúp mình nha

tìm x y biết 

a.5x+6y=30
   x+5=10
b, x-2y=1
    3x+2y=10
c, 3x-2y=5
     10x-5y=4
d, x+2y=10 
    2x-3y=7 
e, x+3y=10
    x-2y=1
g x-2y=3x+2
   x+5=y-10

giúp mình với :<

$$\begin{gathered} a)\left|x-1,7\right|=2,3 \\ b)\left|x+\frac{3}{4}\right|-\frac{1}{3}=0 \end{gathered}$$