The book ( )he bought yesterday is very intereThe book ( )he bought yesterday is very interesting.为什么不能填when?

问题描述:

The book ( )he bought yesterday is very intere
The book ( )he bought yesterday is very interesting.为什么不能填when?

book是先行词,指的是物,所以用that/which,如果是时间,在后面作时间状语,那么就用when。
例如:The day when I went to your house was last Sunday.
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填了when代表的是你强调买书的时间,但是这里主要强调那本书,所以可以什么都不填或者是that

when 是引导时间的,而book是书而不是几点啊,什么时候啊所以不能用when

因为he bought yesterday是修饰 the book 是物而不是一段时间
这句话是想问 他昨天买的书很有趣 括号里可以填 that也可以不填 但是不可以填when