Bài 6

1. she / not / sleep late at the weekends

→→She doesn't sleep late at the weekend.

2. we / not / believe the Prime Minister

→→We don't believe the Prime Minister.

3. you / understand the question?

→→Do you understand the question?

4. they / not / work late on Fridays

=>
Ex6/
1. She doesn't sleep late at the weekends.
2. We don't believe the Prime Minister.
3. Do you understand the question?
4. They don't work late on Fridays.
5. Does David want some coffee?
6. She has three daughters.
7. When does she go to her Chinese class?
8. Why do I have to clean up?

7/
1. I go
2. comes
3. we travel
4. don't you come
5. doesn't make
6. do you take