单项选择题
I don't believe him. He ______ be serious.
A．needn't
B．can't
C．may not
D．mustn't
点击查看答案&解析
<上一题
目录
下一题>
热门
试题
单项选择题
When Jane fell off the bike, the other children ______ .
A．were not able to help laughter
B．could not help but laughing
C．could not help laughing
D．could not help to laugh
点击查看答案&解析
单项选择题
—Was the housemaster strict —Yes. He requested that we ______ television on week nights.
A．not watch
B．must not to stay
C．not be watching
D．staying not
点击查看答案&解析
相关试题
35（）
34（）
33（）
32（）
31（）