31. He is not such a man _______ would leave his work half done.

27. I shall never forget those years _____ I lived on the farm with the farmers,
______ has a great effect on my life.

24. It is not where you come from or what you are, but the ability to do the job _____ matters.

37．Today’s college is appropriate as a setting for a society,________ its members must acquire and manage knowledge from a wide variety of sources．

2. Feathers fall to the ground slowly ______ stones fall much faster.

49. Some evidence threw doubt on ______ he had lent the money to the defender.

44. Please tell me ______ you would like to have your coffee --- black or white?

43. ______ he was absent, I was expected to take his place greatly surprised me, for I didn’t have much experience.

42. You’d better start it right away ______ you forget it.

39. ______ choice you make matters little to the final result of the discussion.