Question

英语专四一道语法题。。求分析！！

The government official can hardly find sufficient grounds ____his arguments in favor of the revision of the tax law.

答案是 On which to base

Answer 1

主语the government official,谓语find，宾语grounds,这些是主干。can hardly修饰find;sufficient修饰grounds;on which to base his arguments 修饰grounds;in favor of the revision of the tax law支持 /有助于税收法的修订。你的困惑点是base his argument on sufficient grounds.

追问

不是 我的困惑点在于which引导的定语从句的主谓宾

追答

从我当初学习的经验来看你不会的不是语法，而是你不能很好的认识单词！想想如果他是汉语，我不相信你做不出来，找到准确的问题点才能进步，祝你成功。

Answer 2

句意 那位政府官员找不到足够的证据去说明他为什么赞成修改税法。
考点 to base sth on sth 意为“把……建立在……的基础上”。which指代grounds.