-----“ The door was open . ----- “It open. I had locked it myself and the key was in my pocket. A. can’t be B. mustn’t be C. can’t have been D. mustn’t have been 查看更多

 

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. ------ The door was open.

----- It ___________open. I had locked it myself and the key was in my pocket.

       A. can’t be      B. mustn’t be       C. can’t have been       D. mustn’t have been

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--- The door was open.

 --- It ____ open. I had locked it myself and the key was in my pocket.

A. can’t be              B. mustn’t be       C. can’t have been   D. mustn’t have been

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--The door was open.

--It ____ open. I had locked it myself and the key was in my pocket.

A. can’t be            B. mustn’t be         C. can’t have been         D. mustn’t have been

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 ---“The door was open.”

---“It ________ open, I ______ it myself and the key was in my pocket.”

A. can’t be, locked                B. mustn’t be, had locked    

C. can’t have been, had locked         D. mustn’t have been, locked

 

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--- The door was open.

  --- It ____ open. I had locked it myself and the key was in my pocket.

  A. can’t be    B. mustn’t be    C. can’t have been   D. mustn’t have been

 

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