33. You must return the books on time.

You must _______ _______ the books on time.

32. Allan finished her homework and went to bed.

Allan _______ _______ to bed _______ she finished her homework.

31. I can’t find my pen everywhere.

I can’t find my pen _______ _______ _______.

30.A mirror is used for _________ (look) at yourself..

29.Shoes _________ (produce) in that factory.

28.Where _________ salt __________ (sell), do you know?

27.He has gone to town _______(sell) eggs and vegetables .

26.It's polite ______(stand)in line and wait for your turn .

25.What _____ Meimei ____(read)from 6:00 to 8:00 yesterday morning ?

24.We usually ______(get)up late on Sunday .