The professor could hardly find sufficient grounds __his arguments in favour of the new theory

问题描述:

The professor could hardly find sufficient grounds __his arguments in favour of the new theory
A.to be based on B.to base on C.which to base on D.on which to base

D 首先我们来翻译下这句话 教授几乎找不到足够的基于他论点的证据来支持他的新理论那么首先能看得出这是个定语从句 在这里其实grounds 的用法和points是一样的 在这里还可以将on which 改成where您的支持就是我继续...