The theory he stuck to be right. A. to prove B. to proved C. prove D. proved 查看更多

 

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The theory he stuck _____ to be right.

[  ]

A.to prove    B.to proved

C.prove     D.proved

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The theory he stuck to ______ to be right later.
[     ]
A. prove  
B. proved  
C. proving
D. proves

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