问题
选择题
It was not until I got home _____ that I had left my keys in the office. [ ]
A. before I found
B. when I found
C. did I found
D. that I found
答案
答案:D
It was not until I got home _____ that I had left my keys in the office. [ ]
A. before I found
B. when I found
C. did I found
D. that I found
答案:D