17. The moment _____I saw you, I recognized(认出)you.

问题描述:

17. The moment _____I saw you, I recognized(认出)you.
这个用什么thatorwhen
that引导的定语重句不是应该在重句中做成分吗 在看看啊

答案是that.
这是固定搭配~像moment,minute,hour后的定语从句要用THAT