what 与that的区别结合列句：we should do what we can to save those endanger_其他解答

what 与that的区别
结合列句：we should do what we can to save those endangered animals
此处为什么要用what而不用that?还有为啥要用to save?

人气：219 ℃　时间：2020-02-05 00:32:14

解答

要说语法可能麻烦,说一下我的理解吧that后一般加的是修饰语,要是一个完整的句子,比如：The people (that) I spoke to were very helpful.that可以省略,不影响句子结构在上句中,若去掉what,好像少了点东西——宾语,在...