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She______fifty or so when I first met her at a conference.A、had beenB、must beC
She______fifty or so when I first met her at a conference.A、had beenB、must beC
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2023-11-21
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问题
She______fifty or so when I first met her at a conference.
选项
A、had been
B、must be
C、has been
D、must have been
答案
D
解析
语法,"推断"的表达。must have been表对过去情况的推测;must be表示对现在情况的推测。由题中的met可知是过去。我第一次见到她是在一次会议上,她那时肯定有50左右了。
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