题目内容
Not until I began to work ____ how much time I had wasted.
A.didn't I realize |
B.did I realize |
C.I didn't realize |
D.I realized |
【答案】
B
【解析】略
练习册系列答案
相关题目
It was not until I came here ____ I realized this place was famous, for not only its beauty but also its weather.
A.who |
B.that |
C.where |
D.before |