1) should ask

3) could prevent

1.The best thing => view i love in my house are  => seeing the view from my bedroom

2.Would you like any=> some rice and fish for lunch, Peter? - No,thanks

Câu 11:  have seen lots -> had seen lots

Câu 12: listen intently-> listening intently

Câu 13. change -> changed

Câu 14. is still-> was still

Câu 15. I'm shopping-> I was/were shopping

Câu 16. is having-> was having

Câu 17. are-> have been married

Câu 18. are believing-> believe

Câu 20. waking-> wakes

Câu 21. drives -> was driving
Câu 22. will certainly complete -> will have certainly completed
Câu 23. buys -> bought
Câu 24. We’ll be cycled -> We’ll be cycling
Câu 25. won’t come -> don’t come
Câu 26. was knocking -> knocked
Câu 27. didn’t drink -> hasn’t drunk

He comes here by bicycle.

with chuyển thành by

Goes -> go, sau might là V bare

''Might goes'' thành ''might go''

Sau ''might'' là V_inf

1 . to -> from

4 . to -> for

5 . which -> what

2 . have -> had

tớ ko chắc chắn lắm :<

on - in

goes - go

have - has

does - do

do - does

has - have 

does - do

cam on

1 - c

2 - a

3 - c

4 - d

5 - b (Không khí bị ô nhiễm là 1 trong những vấn đề chúng ta cần giải quyết)

1 C

2 A

3 E

4 D

5 B