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“I called you yesterday. A woman answered, but I didn’t recognize her voice.” “Oh, it _____ my
“Icalledyouyesterday.Awomananswered,butIdidn’trecognizehervoice.”“Oh,it_____myauntJea...
“I called you yesterday. A woman answered, but I didn’t recognize her voice.” “Oh, it _____ my aunt Jean.” A.must be B.must have been C.might be D.can have been
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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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