.--- Where is your father? --- I"m not sure. He_______ in the office.A.must beB.

.--- Where is your father? --- I"m not sure. He_______ in the office.A.must beB.

题型:不详难度:来源:
.--- Where is your father?
--- I"m not sure. He_______ in the office.
A.must beB.maybeC.may beD.perhaps

答案
C
解析

试题分析:句意:---你父亲在哪里?---我不确定。他可能在办公室。must be一定是,表示对现在事实的推测;maybe副词,可能,大概,也许;may be可能是,表示对现在的可能性推测;perhaps副词,可能,大概,也许。因为空后无任何系动词或实义动词,故需填情态动词+be结构,有因为题干中有I"m not sure表示不确定的成分,故选C。
举一反三
— Who’s singing in the next room?
— It ______ be Mary. She ______ New York.
A.mustn’t, is inB.must, has gone toC.could, has been inD.can’t, has gone to

题型:不详难度:| 查看答案
When you play basketball, you ______ hold the ball and run with it.
A. mustn’t            B. needn’t                C. couldn’t
题型:不详难度:| 查看答案
—There is a pen on the ground. Is it Li Long’s?
—It         Li Long’s. He went to Beijing many days ago.
A.can beB.can’t beC.must beD.might be

题型:不详难度:| 查看答案
---I think her dress comes from the 1970s.
---It _______be from that time. The dress looks so modern.
A.mustn’tB.can’tC.won’tD.wouldn’t

题型:不详难度:| 查看答案
The room is big enough. It ______hold 100 people.
A. can                 B. should                  C. need
题型:不详难度:| 查看答案
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