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14. --Where have they gone?

—I thought they home,but I am not sure.

   A. must have gone   B. may have gone   C. can have gone   D. may go

14. B

14. B解析:句意:“他们去哪儿了?”“我认为 他们可能已经回家了,但是我不确定。”由I am not sure可知,是对过去情况把握不大 的推测,故用may have done结构。

must have done表示对过去情况的肯定推测; can have done表示“本能够做某事(实际 上没做) ”;may do表示对现在情况把握不 大的推测。

题目来源:2016年周测月考直通高考高中英语必修4外研版 > 周测月考卷7 Module 6综合测试

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