Ответ:

1. How old was Allen last year?

2. Was he ten or eleven?

3. In what season were they born?

4. They weren't born in spring. I'm sure.

5. Uncle Richard wasn't at home.

6. Sam was at the beach with his friends. They were all very happy.

7. Where were you at 11 o'clock?

8. Peter wasn't happy yesterday.

Good Luck!