The professor could hardly find sufficient grounds_____his arguments in favor of the new theory.
A.on which to base
B.which to base on
C.to base on
D.to be based on
The professor could hardly find sufficient grounds_____his arguments in favor of the new theory.
A.on which to base
B.which to base on
C.to base on
D.to be based on
D
[譯文]教授幾乎找不到足夠的理由作為其論據(jù)的基礎(chǔ)以支持這種新理論,。[題解]base sth.on…為固定搭配,,[D]中的介詞on放于指代sufficient grounds的which前,,正常語序應(yīng)是 to base his arguments on sufficient grounds,因此[D]正確,。
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