9.
2)No, he didn't
3)Yes, he did
4)No, he didn't
5)Yes, he did
10.
1)Did you visit your grandparents last month?
Yes,I did/No,i didn't
2)Did you clean your teeth yesterday?
Yes,I did/No,i didn't
3)Did you play volleyball last year?
Yes,I did/No,i didn't
11. Last month my friend visited his grandparents,
He didn't clean his teeth yesterday and he didn't play volleyball last year.
