— I can’t get through to the general manager’s office.—The line is busy. Someone
题型:不详难度:来源:
— I can’t get through to the general manager’s office. —The line is busy. Someone ________ the telephone.A.must have used | B.could use | C.could have used | D.must be using |
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答案
D |
解析
试题分析:通过The line is busy“线路正忙。”可知后句的意思应该是“有人一定正在用电话.”表示现在正在用。所以应该用must be using。而A.must have used表示“一定用过”B.表示可能用,不一定是此时;C.表示“可能用过”。所以本题选D。 点评:情态动词可以表示推测的情况,could表示“可能”,must表示“一定”。当其后接have done时表示已经做过;当其后接be doing时,表示正在做;其后接原形时,表示经常如此。 |
举一反三
It____Jim because he left here a moment agoA.might be | B.must be | C.can’t be | D.needn’t |
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—____ you please tell me your name? —Sure. I’m Linda. |
You get up so early this morning because it’s Sunday today .A. not need to | B.don’t need | C.needn’t | D.needn’t do |
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— I broke the window. — You ____ play football near the window. A should B. shouldn’t C. had better D. must |
You _________ to the meeting this afternoon if you have something important to do . A.needn’t to come | B.don’t need come | C.don’t need coming | D.needn’t come |
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