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  • 科目:英语
  • 题型:单选题
  • 难度:容易
  • 人气:1468

9.  --I rang you yesterday afternoon. A man answered, but I didn’t recognize the voice.
--Oh,it____ my uncle. He was in my room then.

A.should have been B.should be C.must have bee D.must be
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9. --I rang you yesterday afte