22. He must have seen the film last night, mustn't/ didn't he?

21. The playground is all wet. It should/must have rained last night.

20. She is not fond of cooking, so am / nor am I.

19. This kind of books sells/ sell well.

18. Two thirds of the world surface are/is covered with water.

17. The poet and writer are /is familiar to all of us.

16. His family have /has moved to the countryside.

15. All that can be done has been done/ has done.

14. Was the village that / where you arrived last year?

13. Was it in the village that / where you first met him?