-----Look, Tom has fallen asleep. -----Oh, he too late yesterday evening. A. might stay up B. should have stayed up C. could stay up D. must have stayed up 查看更多

 

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-----Look, Tom has fallen asleep.

  -----Oh, he _____ too late yesterday evening.

 A. might stay up B. should have stayed up

C. could stay up D. must have stayed up

 

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