40. The clever boy made a hole in the wall, _____ he could see what was going on inside the house.
A. in which B. though which C. at which D. on which
39. Have the police found the knife with ___ he killed his wife?
A. that B. as C. which D. whom
38. Please pass me the dictionary ____ cover is made of thick plastics.(塑料)
A. whose B. of whom C. who D. which
37. I’ll tell you ____ he told me last month.
A. all which B. all what C. that all D. all
36. He has the same experience ____ Captain Cook, the wisest detective in our district.
A. with B. that C. as D. whom
35. Would you like a cup of coffee ______shall we get down to business right away?
A. and B. then C. or D. but
34. ____the sports meet will be held depends on the weather.
A. Whenever B. If C. Whether D. That
33. This is the reason ____ he didn’t go to school this morning.
A. why B. that C. which D. because
32. This is the best reason ____ they could give at the meeting.
31. He is one of the students who ____ the accident.
A. knows B. know C. had known D. known