1. The

2. the

3. the

4. X

5. X

6. the

đăng 1 lần thôi nha bạn :v

1. last summer, we usually (go) ____went___ to the evening class to teach the homeless.
2.one night, we even (learn)__learned/ learnt____ some Irish dances.
3.we( be)__were_____ very lucky with the weather.

1. went

2. learnt

3. were

1C

2A

3D

5A

6C

Câu 4 bạn bổ sung thêm dữ liệu nhé

Quy đồng khử mẫu á bạn

\(\Leftrightarrow\dfrac{480x}{x\left(x-8\right)}-\dfrac{480\left(x-8\right)}{x\left(x-8\right)}=\dfrac{3x\left(x-8\right)}{x\left(x-8\right)}\\ \Rightarrow480x-480x\left(x-8\right)=3x\left(x-8\right)\\ \Leftrightarrow160x-160x\left(x-8\right)=x\left(x-8\right)\)

\(S+O_2\underrightarrow{t^o}SO_2\)

1.He said that he__________there before.
A. have never gone        B. has never gone       C. had never gone        D. did go
2.Lay__________for the business corporation for 3 years when he got the promotion.
A. was working        B. has worked           C. had been working           D. worked
3.It__________outside for hours and the streets are very slippery.
A. is raining       B. had been raining       C. has been raining          D. has rained
4.By the time I arrived there, she__________her homework.
A. has done            B. had done            C. will have done             D. will be doing
5.By last year, he__________games for 10 years.
A. hadn’t played                                                      B. won’t have been playing

C. hadn’t been played                                                 D. hasn’t played
6.She goes to school as soon as she__________her breakfast every morning.
A. finishes                B. finished                C. has finished              D. had finished

(Câu 6 mình sửa đáp án A. finish => finishes nha)

1. First, Minh and Lan ....did .(DO) homework, and then they ...drank.(DRINK) some juice.
2. Suddenly, the cat jumped and......bit............(BITE) my hand
3. What time did (DO) they..........get up........(GET UP) this afternoon?
4. Lily...........ate....... (EAT) dinner at five o'clock yesterday.
5. My dad..........bought........(BUY) a new car last month
6. They........went........... (GO) to LA on their last summer holiday.
 7. My family and I ......saw............(SEE) a horror movie last night.
8 . I think I........heard.........(HEAR) a strange sound outside the house 5 minutes ago.
9. When I was 5 years old, I ...broke..(BREAK) my arm. It really....hurt........(HURT)
10. ... Will you...come  (COME) to work tomorrow?. 
11. If it (BE).......is...........sunny next week, we......will go............ (GO) on a picnic
12. If we (RECYCLE) .recycle...............more, we .......will help...........(HELP) the Earth...
13. We (SAVE)....will save..a lot of trees if we (NOT WASTE)..don't waste....so much paper
 14. More people .....will have...(HAVE) fresh water if we.......use..... (USE)less water.
15. The police .......caught...........(CATCH) all three of the robbers last month.
16. .......I will help...........(HELP) her take care of her children tomorrow.
17. If the river (NOT BE)....weren't ...dirty, there......would be............ (BE) more fish.
18. If they (BUILD)........built.....an airport here, it ......would be......(BE) very noisy.
19. Lan sometimes (MEET)............meets......her friends after school
 20. Be quite! My younger brother(STUDY).....is studying .for his exam 
21. Chris....looks .. (LOOK) stressed, because he ....is looking........(LOOK) for a new job.
22. If Ben......call............(CALL), I will talk.............(TALK) to him
23. If you..... learn... (LEARN) how to swim, you.....could go...........(GO) with me to the beach on Sundays
24. If it stops raining soon, we..will go... (GO) to the church.
25. Nick and Dave (VISIT).....visit...their parents twice a month.
26. You can't talk my grandfather now. He (WATCH) .......is watching.... ......... the evening news.
27. I can't shop for groceries today. The local shops (NOT OPEN) ..don't open..... on Sunday.

28. what ........do.........you(cook ) ..........cook.................? the food (smell) .......smell.......... so good!