Đáp án:

1. Mai (not, see ) doesn't see the plays very often.

2. He said he (not, know) didn't know her address.

3. Tomorrow when he comes we ( go) will go shopping

4. She ( write) has written  the letter for thirty minutes

5. They are the most interesting novels I have ever bought( ever /buy )

6. Children must (take ) take part in activities with others

7.( You / come )You came  to ha noi last month

8. You' d better ( not play ) not play video games too much

9. We ( never /sell ) have never sold vegetables for her before

10. She might ( study ) study  hard

Bài lm nek

Nhớ vote cho mk 5 sao nhá 😉

1. doesn't see

2. didn't know

3. will go

4. has written

5. have ever bought

6. take

7. You came

8. not play

9. have never sold

10. study