表语从句区分

问题描述:

表语从句区分
_____made mother so proud was ______her son won the first prize in the composition competition.
A what;because B what;that
BECAUSE不是也可以引导表语从句的吗?BECAUSE和THAT引导有什么区别
可是在这句里BECAUSE和THAT引导有什么区别

that,why 与 because 引导表语从句时的区别虽然三者均可引导表语从句,但 that 没有词义,而 why 和 because 有自己的意思;另外,虽然 why和 because 都可引导表语从句,但前者强调结果,后者强调原因.如:The reason wa...