单项选择题

It was essential that the application forms ______ back before the deadline.

A．must be sent
B．would be sent
C．be sent
D．were sent
<上一题 目录 下一题>
热门 试题

单项选择题
John wants to ______ of his old bike and buy a new one.
A．dispose
B．dismiss
C．distribute
D．disturb
单项选择题
______ we have finished the course, we shall start doing more revision work.
A．For now
B．Now that
C．Ever since
D．By now
相关试题