56.Her hair was golden when she was a child, but it went darker __B____ she grew up.
A.if B.as C.since D.even
57.Call the university operator,____C____ you will find the phone number of Professor Smith.
A.so B.and C.when D.before 58. The instructor won’t give them any help ___C_____ absolutely necessary. A.when B.if C.unless D.once
59.Many of the people ___B____ refused to answer to answer any questions. A.question B.questioned C.questioning D.were questioned
60.The boy denied __C_____ anything to do with that bank raid. A.have B.to have C.having D.have had
61.The number of the employees in our company is ____A__ that in theirs. A.twice as large as B.twice as many than C.as twice many as D.as twice as
62. I wish I ___B_____ in the sun by a swimming pool instead of sitting in this classroom.
A.have lain B.were lying C.lay D.lie
63.It is essential that all the reports to be published _____A____ twice. A.be checked B.would be checked C.were checked D.will be checked
64._____C___ life could be found on Mars was once believed by scientists. A.What B.As C.That D.While
65. __A______ food was rotting in the warehouses,the poor did not have enough to eat.
A.While B.Where C.Why D.Which
66.The researchers of the project have to be very careful with every part if it ___D_____ a success.
A.is to be B.is C.will be D.would be
67.___C______,Bob still went on with the experiment. A.As he was tired B.As was he tired C.Tired as he was D.As tired as he
68.The response to the concerts was not warm enough so I decided to postpone booking tickets ____A_____ later in the year.
A.until B.by C.except D.beyond
69.He asked a second time,but I couldn’t remember ___D__ any of these works. A.read B.to read C.to have read D.having read
70.The teacher _____D__, they went on with their discussion.
A.leaving B.being left C.was leaving D.having left
71.Many companies in smaller cities are offering such great professional opportunities that some graduates have a hard time __B______ them down.
A.turning B.to turn C.turn D.turned
72.Not until the mid-1950s ____A____ most automakers begin offering seat belts as optional safety features.
A.did B.had C.do D.would
73.Contact the police and tell them all __C______ you know about the accident. A.this B.that C.what D.which
74.In the fall the cattle ____B____ from the high country back down to the farm. A.is driven B.are driven C.drives D.drive
75.After a long walk,we finally found a shelter ____C_____ for the night. A.to stay B.staying C.to stay in D.staying in
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