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题目
题型:不详难度:来源:
—Listen! Is that Millie singing?
—No. It _____ be Millie. She has gone to Beijing.
A.mayB.can’tC.must D.mustn’t

答案
B
解析

试题分析:英语中有些情态动词,通过使用不同的时态形式,可以表示“推测”的含义。1. 情态动词 + 动词原形:must + 动词原形,表示对现在的事实进行非常有把握的推测,一般用于肯定句。如:There must be something wrong. 一定是出了什么差错。may / might / can / could + 动词原形,表示对现在、未来事情发生的可能性的推测。此时, might, could 不表示过去,只是表示推测的语气更加不肯定。一般情况下, may, might 用于肯定句中; can, could 用于否定句、疑问句中。根据语境可知下文说,Millie去北京了,因此在隔壁唱歌的那人肯定不是他,故是否定性推测一定要用can’t,故选C。
点评:关于表示推测的情态动词后面所接动词形式,有下列三种情况:若对此刻正在发生的事,接“be +现在分词”;若对现在或未来情况的推测,接动词原形;若对过去情况的推测,接“have +过去分词”。
核心考点
试题【—Listen! Is that Millie singing?—No. It _____ be Millie. She has gone to Beijing】;主要考察你对词法等知识点的理解。[详细]
举一反三
-Mum, must I stay there the whole day?
-No, you__________. You__________ come back after lunch, of you like.
A. mustn’t; can       B. needn’t; must      C. needn’t; may
题型:不详难度:| 查看答案
----:     I get up at five o"clock tomorrow morning?
----:  No, you     .
A.Must; can"tB.Must; needn"t
C.Can"t; canD.Must; shouldn"t

题型:不详难度:| 查看答案
Li Lei can’t go hiking with us today,because he       take care of his sick mother.
A.has toB.mayC.mustn’tD.needn’t

题型:不详难度:| 查看答案
You had better _________ wine because you have to drive back home.
A.not drinkB.don’t drink
C.not to drinkD.won’t drink

题型:不详难度:| 查看答案
You ________ play with the knife. You ________hurt yourself.
A.mustn’t; mayB.mustn’t; must
C.shouldn’t; mustD.can’t; should

题型:不详难度:| 查看答案
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