23.
1. ...doesn't it?
2......don't they?
3.....doesn't he?
4......don't they?
5. ....don't they?
6.......do they?
7. ......do they?
8. ........does it?
9..........aren't they?
10. isn't it?
18.
1. Is there any..........
Yes, there is (some)
2. Is there any..........
Yes, there is (some)
3. Are there any..........
Yes, there are (some)
4. Are there any.........
Yes, there are (some)
5. Is there any..........
Yes, there is
6. Is there any.....
Yes, there is
7. Have they got any............
Yes, they have.