The professor could hardly find sufficient grounds _____his arguments

could · 发表于昨天 12:06

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

B、tobaseon

C、whichtobaseon

D、onwhichtobase

龙凤呈祥 · 发表于昨天 13:16

正确答案：D
答案解析：暂无解析

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The professor could hardly find sufficient grounds _____his arguments

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