33.I don’t know whether you happen that he has been away for two months. A.to be heard B.to be hearing C.to hear D.to have heard 【查看更多】

 

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I don't know whether you happen ____ that he has been away for two months.
[     ]
A. to be heard
B. to be hearing
C. to hear
D. to have heard

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I don’t know whether you happen ____ that he has been away for two months.

       A.to be heard      B.to be hearing   C.to hear      D.to have heard

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I don’t know whether you happen ____ that he has been away for two months.

       A.to be heard      B.to be hearing   C.to hear      D.to have heard

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I don’t know whether you happen ____ that he has been away for two months.

A.to be heard           B.to be hearing         C.to hear         D.to have heard

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