1.,aren't they

2.,have they

3.,isn't it

4.,don't you

5.,didn't we

6.,doesn't he

7.,can they

8.,isn't it

9.,aren't they

10.,won't they

11.,mustn't we

12.,didn't they

13.,hasn't she

14.,didn't they

15.,won't it

16.,shouldn't we

17.,couldn't she

18.,aren't it

19.,aren't you

20.,isn't he