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题目
题型:不详难度:来源:
---who______it be that is knocking at the door?
---It_______be Father, but I’m not sure.
A.can, mustB.can, mayC.must, canD.may, must

答案
B
解析

试题分析:句意:--敲门的会是谁?---有可能是父亲,但是我不是很肯定。第一空填can,用于否定或疑问句表示推测“可能”,第二空填may,因为说话人不是很确定,but I’m not sure.所以选B。
核心考点
试题【---who______it be that is knocking at the door? ---It_______be Father, but I’m n】;主要考察你对动词的分类等知识点的理解。[详细]
举一反三
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