单项选择题

You will not be able to succeed ______ you work harder than you do now.

A．in case
B．in only
C．provided
D．unless
<上一题 目录 下一题>
热门 试题

单项选择题
It was terrible, one passenger was killed, and the other was ______ injured.
A．completely
B．hardly
C．severely
D．unusually
单项选择题
They required their children ______ TV on week nights.
A．not watch
B．must not watch
C．not be watching
D．didn't watch
相关试题