---Irangyourhomeyesterday．AmanansweredbutIdidn’trecognizethevoice．---Oh

发布时间：2020-08-07 09:03:30

---I rang your home yesterday．A man answered but I didn’t recognize the voice．---Oh, it _________ my brother, Peter．A.must beB.must have beenC.can have beenD.might be

网友回答

B解析根据“我昨天朝你家里打的电话”，这是对过去情况的推测判断，应该用must have done结构。
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