There was once a time __ I was extremely scared to attend school because of the strict teacher.
问题描述：
There was once a time __ I was extremely scared to attend school because of the strict teacher.
A.on which B after which C that D when跟我说下方法,这种题目老错.
答
给你详细解释一下怎么去做这类题目
首先,理解一句话的意思有助于我们做题.这句话的意思是：曾经有一段时间我特别害怕去上学,因为那个严厉的老师.
A选项,如果是in的话也可以,in a time 在某个时间
B选项肯定不对
C选项,由于time前没有介词,所以that不能单独出现来引导从句
D选项是正确的.when=in which,引导从句来解释一下time
记住：引导状语从句必须有介词,注意区分