2. 考研
  3. "The man must be Mary’s husband. " " No, he______her husband. She is still single. "

"The man must be Mary’s husband. " " No, he______her husband. She is still single. "

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问题 "The man must be Mary’s husband. " " No, he______her husband. She is still single. "
选项 A、needn’t be
B、mustn’t be
C、shouldn’t be
D、can’t be
答案D
解析 此句前一句表示肯定的推测，后一句表示否定的推测。must表示对肯定的推测，如果表示否定的推测，不能用mustn’t，要用can’t。
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考研英语一

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