26. Peter won´t have a rest until he ____ (finish) his work.

25. Please keep everything ____ (clean).

24. There _____ (be) a telephone call for you just now.

23. Who ____ (teach) them English last term.

22. _____ you _____ your homework yet (start)?

21. Be quiet! The boy ____ (sing) an English song.

20. We will stay at home if it _____ (rain) tomorrow.

19. Did he enjoy ____ (work) in China.

18. Their work is ____ (clean) the streets.

17.He asked me ____ (help) him with his English this evening.