题目内容

“I called you yesterday. A woman answered, but I didn’t recognize her voice.” “Oh, it _____ my aunt Jean.”
A．must beB．must have been
C．might beD．can have been
B
对过去情况的肯定推测，宜用“情态动词 + 动词完成式”，再根据句意，可确定答案为B。注：can 表示推测通常不用于肯定陈述句。
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相关题目
Why didn't you tell me there was no meeting today? I______ all the way here through the heavy snow.
A．needn't have drivenB．can't have driven
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A．must goB．must have gone
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A．will rain; rainedB．would rain; should rain
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—Forget it. I was a bit out of control myself.
A．shouldn’t shoutB．shouldn’t have shouted
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A．willB．may
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A．usedB．used to be
C．used toD．used to do

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