高中学历解放军武警士兵考军校-英语语法总结（四十三）

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　　Ⅴ. 几个易混淆的关系代词的比较:

　　●that & which:

　　在定语从句中，which 和that 在指代事物时，一般可以互换使用，但并非在任何情况下都是这样，这里介绍宜用that, 而不宜用which 的情况.

　　①先行词为不定代词,all,much,something,everything,anything,nothing,none,the one等,

　　1.We should do all that is useful to the people .

　　2.There's nothing that can be said about it .

　　3.Do you mean the one that was bought yesterday?

　　②先行词被only, any, few, little, no, just, very, one of等词修饰时。

　　1.The only thing that we could do was to wait.

　　2.That's the very word that is wrongly used.

　　The last place (that) we visited was the chemical works.

　　You can take any (=whichever) seat that is free.

　　I hope the little that I can will be of some help to them.

　　比较 *This is one of the best novels that were published last year.

　　*This is the only one of the best novels that was published last year.