Exercise 2
Are the sentences correct?
1. Who does John know? – Nobody knows him.
2. Mr. Jackson, that lives upstairs, is a singer.
3. You've done it many times, haven't you?
4. It has rained for three hours. We can't go out.
5. They were quite disappointed, weren't they?
6. It's been a tough game, isn't it?
7. I've been correcting 10 tests. The results are awful!
8. Where is the money you borrowed last week?
9. I'll wait on you at the station.
10. Who's bag is it?