单项选择题

It was not until dark ______ it was time to return home.

A．that he realized
B．that did he realize
C．when he realized
D．when did he realize
<上一题 目录 下一题>
热门 试题

单项选择题
After final examination, college students who have left their homes for a long time look forward to ______ as soon as possible.
A．be going home
B．go home
C．be gone
D．going home
单项选择题
Some animals ______ well enough in that country.
A．have not protected
B．is not being protected
C．are not being protected
D．are not protecting
相关试题