our neighbor offered to look after our baby while we were away,___was very kind of her.选 it 还是which?

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our neighbor offered to look after our baby while we were away,___was very kind of her.选 it 还是which?

our neighbor offered to look after our baby while we were away,___was very kind of her.选 it 还是which?
our neighbor offered to look after our baby while we were away,___was very kind of her.
选 it 还是which?

our neighbor offered to look after our baby while we were away,___was very kind of her.选 it 还是which?
用it
假如用which的话,这就是一个非限制性定语从句,which作为引导词.在非限制性定语从句中,引导词which可以指代主句中的某一个成分,也可以指代整个主句,换句话说,非限制性定语从句中,这个which是可以被主句中的某个成分可整个句子取代的.比如:
The sun heats the earth ,which makes it possible for plants to grow .
上面的句子中,which是指代整个主句,从句可以是:The sun heats the earth makes it possible for plants to grow .
但在这句话里,which不能代表任何一个,哪个代进这个从句中都不对.
这里的it是形式主语,这个句子还原就是:It was very kind of her (to do so),真正的主语是后面省略的不定式
这其实是两个并列的句子
意思是:我们的邻居自愿在我们不在的时候照看我们的宝宝,她真好啊.

which,定语从句,which指的是前面的那件事情。

it是代词,因为前面句子中已经有谓语动词offered ,但是后面还有个动词was显然一句话不可能出现两个谓语动词,因此逗号后面只能是从句了。it不能引导从句
which 关系代词,指代前面整句话,引导非限定性定语从句 所以选择which

which 逗号后面是一个非限制性定语从句 所以用关系词 which 指代前面整句话,
我们的邻居愿意帮我们照顾孩子当我们不在的时候, 这件事说明了她的善良

选择which