题目内容

15.---My e-dictionary is nowhere to be found.Who           have taken it?
---I don't know.But keep looking and you will find it.(  )
A.shouldB.couldC.needD.shall

分析 ---到处都找不到我的电子词典,谁会把它拿走了呢?
---我不知道.但是继续找找,你会找到的.

解答 答案:B
A should 应该,应当;B could能,可能;C need 需要;D  shall用于疑问句与第一、三人称连用,表示征求意见,请求或许可.根据句意,到处都找不到电子词典,Who           have taken it?表达的应该是在猜测:可能会是谁拿走了它?故选B

点评 试题中经常会考到情态动词表示推测的用法,很多情态动词像 can,could,may,might,must,should等都可以表示推测,要注意总结它们之间的区别.

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