Ответ:

2) Did Mum play with dolls last night?

No, she didn't

3) Was dad at hospital last night?

Yes, he was

4) Is Julia playing with dolls at the moment?

No,she isn't

5) Is your mum a teacher?

Yes,she is

6) Is Ryan watching a DVD right now?

No,he isn't

7) Did grandma and grandpa listen to the radio yesterday?

No,they didn't

8) Are mum and dad washing the car right now?

Yes,they are