1. with -> bỏ : together : cùng với ai 

2. writting -> written : O + VPP + by S 

3. such -> so : so many + N + that + MĐ

4. serious-> seriously : to be + adv + adj 

5.  either _> bỏ : đã có but thì ko có either 

6. hasn't -> doesn't . have / has to -> do / does + not 

7  Had he eaten something this morning, he wouldn’t have been hungry now: đảo ngữ của câu ĐK loại 3 

1. Mr. Brown together with five other people are going to help the victims tomorrow.

=> sửa: is

- chia theo S1 là Mr. Brown

2. I have read some books writing by Jack London.

=> sửa: written

- câu bị động, chia P2

3. He has such many things to do that he has no time to go out.

=> sửa: so

- cấu trúc so / that dùng cho danh từ có "many‟, "few‟, "much‟, "little‟ đứng trước

4. People have cut down a lot of trees and our environment is now serious being polluted.

=> sửa: seriously

- trạng từ bổ nghĩa cho động từ

5. She didn’t agree with us, but she didn’t rise her voice, either.

=> sửa: raise

câu 6 với 7 mình không thấy lỗi sai :(((