Упражнение 1. Complete questions

1. She can swim, can she?
2. They didn't go to school, did they?
3. You are a good student, aren't you?
4. He has finished his homework, hasn't he?
5. It isn't raining now, is it?
6. We should help her, shouldn't we?
7. The cat sleeps all day, doesn't it?
8. You weren't at home yesterday, were you?