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
It was felt that he lacked the ______ to pursue a difficult task to the very end.
A．petition
B．engagement
C．commitment
D．qualification
单项选择题
______ recurring fear is out of proportion to any real danger, it is called a phobia.
A．When
B．Whereas
C．Which
D．Whether
相关试题