42. The size of the audience, _____we had expected, was well over twenty thousand.

　 A. as　　　　 B. which　　　 C. what　　 D. because

41._____ the teacher has announced, school will be opened tomorrow.

　 A. Once　　　 B. Because　　 C. As　　　 D. Since

40. Do you know the reason ______ he was late?

　 A. that　　　　 B. which　　　 C. what　　 D. for which

39. I have never seen such a clever boy ______ you.

　 A. which　　　 B. that　　　　 C. as　　　 D. what

38. She wears the same kind of clothes ______ her sister does.

　 A. which　　　 B. what　　　　 C. that　　 D. as

37. I will give you such information _______ will help you.

　 A. which　　　 B. that　　　　 C. as　　　 D. what

36. Tom didn’t attend the meeting, ________ we expected.

　 A. where　　　 B. that　　　　 C. as　　　 D. what

35. This is the very letter _____ I am looking for .

　 A. which　　　 B. that　　　　 C. as　　　 D. what

34..This is one of the presents ______ he gave me.

　 A. which　　　 B. that　　　　 C. as　　　 D. what

33. Everything ______ he said was of great importance.

　 A. which　　　 B. that　　　　 C. as　　　 D. what