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. that。 why C. for that。 that D. for which。 what32. He is working hard, ______ will make him pass the final exam.A. that B. which C. for which D. who33. That is not the way ______ I do it. A./ B. which C. for which D. with which34. I have two grammars, ______ are of great use.A. all of which B. either of which C. both of that D. both of which35. I want to use the same tools ______ used in your factory a few days ago.A. as was B. which was C. as were D. which36. My neighbors used to give me a hand in time of trouble, ______ was very kind of them.A. who B. which C. that D. it 37. This is the magazine ______ I copied the paragraph.A. that B. which C. from that D. from which 38. He is not such a man ______ would leave his work half done.A. that B. which C. who D. as 39. You can depend on whatever promise ______ he makes.A. / B. why C. when D. whose 40. Smoking, ______ is a bad habit, is, however, popular.A. that B. which C. it D. though 41. —Did you ask the guard ______ happened? — Yes, he told me all ______ he knew.A. what。 that B. what。 what C. which。 which D. that。 that 42. I shall never forget those years ______ I lived on the farm with the farmers, ______ has a great effect on my life.A. when。 who B. that。 which C. which。 that D. when。 which 43. The number of the people who ______ cars ______ increasing.A. owns。 are B. owns。 is C. own。 is D. own。 are 44. During the days ______, he worked as a servant at the Browns.A. followed B. following C. to follow D. that followed 45. Is oxygen the only gas ______ helps fire burn?A. that B. / C. which D. it 46. The clever boy made a hole in the wall, ______ he could see ______ was going on inside house.A. which。 what B. through which。 what C. through that。 what D. what。 that 47. Is ______ some German friends visited last week?A. this school B. this the school C. this school one D. this school where 48. John got beaten in the game, ______ had been expected.A. as B. that C. what D. who 49. I have bought two ball pens, ______ writes well.A. none of them B. neither of them C. neither of which D. none of which 50. All that can be eaten ______ eaten up.A. are being B. has been C. had been D. have been