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-A man answered the phone.I suppose it was her husband. -It her husband.He has b

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-A man answered the phone.I suppose it was her husband. -It her husband.He has b

-A man answered the phone.I suppose it was her husband.

-It ________ her husband.He has been dead for ages.

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A.mustn’t be

B.couldn’t have been

C.may not have been

D.mustn’t have been

试题答案

答案:B

解析:

那不可能是她的丈夫,因为他去世有好几年了。对过去的事情进行推测,“当时不可能”:couldn’t/can’t have done