Помогите с 8 заданием под b

1. Do

No, I don't

2. Do

Yes, they do

3. Does

Yes, she does

Ответ:

b

2a Do you study French?

 b No, I don`t.

3a Do your friends listen to music?

 b Yes, they do.

4a Does she go tu your school?

 b  Yes, she does.