【题目】I didn’t know the exact address of the International Experimental School of Chifeng No. 2 Senior High School _______ I was outside its front gate.
A. when B. after
C. until D. because
在线课程【答案】C
【解析】
考查时间状语从句。句意：我是在赤峰二中国际实验学校的前门外面才知道它的确切地址的。此处是not---until“直到---才”引导的时间状语从句，故选C。