The professor could hardly find sufficient grounds his arguments in favor of the new theory. A. to be based on B. to base on C. which to base on D. on which to base 查看更多

 

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The professor could hardly find sufficient grounds _____his arguments in favor of the new theory.

A. to be based on     B. to base on   

C. which to base on    D. on which to base

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The professor could hardly find sufficient grounds _____his arguments in favor of the new theory.

A. to be based on     B. to base on   

C. which to base on    D. on which to base

查看答案和解析>>

The professor could hardly find sufficient grounds _____his arguments in favor of the new theory.

A.to be based onB.to base onC.which to base onD.on which to base

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The professor could hardly find sufficient grounds _____his arguments in favor of the new theory.

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

 

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The professor could hardly find sufficient grounds _____his arguments in favor of the new

theory.

A.to be based on

B.to base on

C.which to base on

D.on which to base

 

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