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这里为什么要用to which,

来源:学生作业帮 编辑:作业帮 分类:综合作业 时间:2024/07/08 20:31:13
这里为什么要用to which,
Thursday’s apology,coming at a time when the president and his administration are under intense criticism over the rollout of the health-care law,highlights the extent to which it has become a political liability for the White House.
最简单的方法是从
the extent to which it has become a political liability for the White House.
的问句开始,
这个句子的问句是
To what extent has it become a political liability for the White House?
句子的倒装形式就是
the extent to which it has become a political liability for the White House.
(倒装句 不用 to what ,而必须用 to which .)
再举两个类似例子:
In what way is the invention useful?
倒装形式:
The way in which the invention is useful is ...
On what grounds are you justifying this action?
倒装形式:
The grounds on which I justify this action are ...
这是弄清楚短语
to which,in which,on which 等等
的用法的唯一方法.