I have lost one of my gloves. I _____ it somewhere. A.must dropB.must have drop
题型:不详难度:来源:
I have lost one of my gloves. I _____ it somewhere. A.must drop | B.must have dropped | C.must be dropping | D.must have been dropped |
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答案
B |
解析
由题干而知不用被动,排除选项D;题干说“已经丢了”,排除选项C;选项A“情态动词+动词原形”,表示对现在或将来的事情推测;选项B“情态动词+动词的完成时”表示的是对过去或已经发生的事情的推测判断,所以选B。 |
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