The professor walked onto the platform and seated himself in a chair, for answering questions. A.had prepared B.being prepared C.preparing D.prepared 【查看更多】

 

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The professor walked onto the platform and seated himself in a chair, ____ for answering questions.

A、had prepared B、being prepared   C、preparing    D、prepared

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The professor walked onto the platform and seated himself in a chair,________ for answering questions.

A.had prepared             B.being prepared?

C.preparing　               D.prepared?

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The professor walked onto the platform and seated himself in a chair, ____ for answering questions.

 A. had prepared     B. being prepared   C. preparing        D. prepared

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The professor walked onto the platform and seated himself in a chair, ____ for answering questions.

A、had prepared     B、being prepared C、preparing  D、prepared

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The professor walked onto the platform and seated himself in a chair,            for answering questions.      
[     ]
A. had prepared                
B. being prepared      
C. was preparing                
D. prepared

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