a. have spent b. have to be spent c. have to spend d. spend

53.The police ______ in what the informer reported.

a. interested b. had interested c. were interesting d. were interested

54.A candidate for the post ______ at the moment.

a. is interviewing b. being interviewing c. interviewing d. is being interviewed

55.By the end of last year the railway ______.

a.was being completed b. would be completed

b.had been completed d. had completed

56.I______ to visit their country before long.

a.have been invited b. am being invited c. had been invited d. shall be invited

57.Theory ______ with practice.

a. must be combining b. must combine c. must have been combined d. must be combined

58.He said such a thing ______ to happen.

a.ought to be not allowed b. ought not to be allowing

b.ought not to have allowed d. ought not to be allowed

59.She told me that her proposal ______.

a.needed to take into consideration b. needed to be taken into consideration

c.needed to be taking into consideration d. needed to have taken into consideration

60.The school authorities and the teachers ______ over the advantages of the demerit system.

a.were always argued b. were always arguing

b.had always had argued d. had always been argued

61.He fulfilled the plan earlier than he ______.

a. had expected b. expecting c. should expect d. would expect

62.______ when the bell rang.

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