Martin hated _________ when his mother sent him to a boarding school.it .为什么不是that?that不是后面跟句子么?

问题描述:

Martin hated _________ when his mother sent him to a boarding school.
it .为什么不是that?that不是后面跟句子么?

答案:it
解释:that可以引导宾语从句,且在口语中常省略,但是后面有when连词,所以再用that是多余的。这里用it,是指代后面这件事情。
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这是同位语从句 it是指后面整个事情 整个句子把that 省略了
整个句子应该是Martin hated it when his mother sent him to a boarding school.

that一般后面跟的句子是发生的具体的事件,
而题目中跟了一个when从句,是表示时间状态的,
所以Martin不是hated这个时间状态,
而是hated这个时间段发生的事”his mother sent him to a boarding school",用it是比较适当的.
如果要用that的话,句子可以这么改:
Martin hated that his mother sent him to a boarding school.