39. The girl couldn't_____ how red his face was.

　　 A. help to notice　　 B. be helping to notice 　　 C. be helping noticing 　　　　 D. help noticing

38. Your mother and I are looking forward________ you.

　　 A. of seeing　　　　　 B. for seeing　　　　　 C. to see　　　　　　　 D. to seeing

37. I'd ______ the operation unless it is absolutely necessary.

　　 A. rather not have　　 B. rather not to have　 C. not rather had　　　 D. rather not having

36. Would you please ______ write on the textbooks?

　　 A. don't　　　　　　 B. not to　　　　　　 C. not　　　　　　 D. to not

35. Tommy had his big brother _____ his shoes for him.

　　 A. to tie　　　　　　　 B. tie　　　　 C. tied　　　　　　　　 D. tying

34. Does your new secretary　 ____ short hand?

　　 A. know to take　　　 B. know how to take　 C. know how take　　 D. know how taking

33. Your flat needs _____ . Would you like me 　　　　it for you?　　

　　 A. to clean, to do　　　　 B. cleaning, doing　 C. cleaning, to do　　　 D. to be cleaned, doing

32. _____their students, the famous teacher came into the hall.

　　 A. Followed　　　　　　　　　　　　　　 B. Followed by

　 　　C. Being followed　　　　　　　　　　　　 D. Having been followed

31. ____ more attention, the trees could have grown better.

　　 A. Given　　　　　　 B. To give　　　　　　 C. Giving　　　　　　 D. Having given

30. There was a terrible noise _______ the sudden burst of Tight.

　　 A. followed　　　　　 B. following　　　　 C. to be followed　　　 D. being followed