单项选择题

I'm not surprised you failed the exam. You ______ have worked harder.

A．should
B．must
C．would
D．ought
<上一题 目录 下一题>
热门 试题

单项选择题
Bob needs a tutor because it is important ______ on his exam next month.
A．that he do well
B．for him do well
C．he does that well
D．that he will do well
单项选择题
It took western companies many years to ______ from the oil crisis of the mid-70s.
A．regain
B．recover
C．retain
D．refresh
相关试题