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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
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It’s already 11 o’clock and nobody answers the phone. George ________ asleep now.

A.must be B.must have been C.should be D.should have been
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It’salready11o’clockandnobodya