14.The professor can hardly find sufficient grounds his argument in favor of the theory. A.which to base on B.on which to base C.to base on which D.which to be based 答案与解析:B 考查“介词+which+to do 结构.句意:教授几乎不能找到足够的理由支持他的理论.base...on 意为“基于.作为--的基础 . 查看更多

 

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The professor can hardly find sufficient grounds­­ his argument in favor of the theory.

   A. which to base on                       B. on which to base

   C. to base on which                       D. which to be based

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The professor can hardly find sufficient grounds          his argument in favor of the new theory.

A.which to base on                                        B.on which to base

C.to base on which                            D.which to be based on

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The professor can hardly find sufficient grounds  ________ his argument in favor of the theory.

A.which to base on   B.on which to base

C.to base on which   D.which to be based

 

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