37.There are two pencils-boxes on the desk.

36. Miss gao assigned a lot of homework.

35. May I have words with you?

34. Last Sunday she helped me with a lot of houseworks.

33. Some ants have two stomaches

32. I　 bought two watchs for my twin sons last year.

31. Many of the peoples are from China.

30. The policemen caught two thiefs just now.

29. There are seventy man workers and twenty woman workers in our factory.

28.　 Mr Li shook hand with the visitors one by one.