题目内容
Not until they left school ________ how much their teachers loved them and helped them．
[ ]
A．
that they realized
B．
had they realized
C．
when they would realize
D．
did they realize
答案：D
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 |