it 和 that的区别看题:--I saw Joe reading in the library yesterday.--Oh,she does ___ every weekend.A:it B:this C:something D:that这一题答案为it,谁可以告诉我具体的原因.我知道:one表示泛指,that和it 表示特指.that与所指名词为同类,但不是同一个,而it 与所指名词为同一个.I can't find my hat.I think I must buy one.(不定)我找不到我的帽子了.我想我该去买一顶.The hat you bought is bigger than that I bought.(同类但不同个)你买的那顶帽子比我买的大.I can't find my hat.I don' t know where I put it.( 同一物)

问题描述:

it 和 that的区别
看题:--I saw Joe reading in the library yesterday.
--Oh,she does ___ every weekend.
A:it B:this C:something D:that
这一题答案为it,谁可以告诉我具体的原因.我知道:
one表示泛指,that和it 表示特指.that与所指名词为同类,但不是同一个,而it 与所指名词为同一个.
I can't find my hat.I think I must buy one.(不定)
我找不到我的帽子了.我想我该去买一顶.
The hat you bought is bigger than that I bought.(同类但不同个)
你买的那顶帽子比我买的大.
I can't find my hat.I don' t know where I put it.( 同一物)

你的理解是正确的.
reading in the library yesterday 就是一个特定的事件,或是事物,而不是一类事物..所以要用it.

你的理解不错,但是用在这题不太合适.这道题的关键在于it指代的是什么.我们从题目可以知道,it指代的是Joe reading in the library yesterday,这实际上应该是一个完整的句子,但因为跟在感官动词see后面省略了主语之后...