定语从句do you know the reason why he didn't come?why为什么可以用For which代替用which的话后面一定要缺成分,而用why后面则不缺成分.两者不矛盾了吗?

分类: 作业答案 • 2021-12-19 16:23:26

问题描述：

定语从句do you know the reason why he didn't come?why为什么可以用For which代替用which的话后面一定
要缺成分,而用why后面则不缺成分.两者不矛盾了吗?

答