--- Tom, where is your father? --- I’m not sure. He in his office. A. is B. may be C. maybe D. may 查看更多

 

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- Tom, where is your father?
- I’m not sure. He _______ in his office.
A.must beB.may be C.maybeD.need be

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--- Tom, where is your father?  --- I’m not sure. He_______ in his office.
A.isB.may beC.maybeD.may

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— Tom, where is your father?     
— I'm not sure. He ______ in his office.
[     ]
A. is
B. may be
C. maybe
D. may

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—Tom, where is your father?  

—I’m not sure. He ______ in his office.

A. is       B. may be      C. maybe           D. may

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