单项选择题

All students ______ a loud laugh when professor Henry Mitchel told them the joke.

A．let off
B．let down
C．let out
D．let up
<上一题 目录 下一题>
热门 试题

单项选择题
If you ______ see Mr. Jim, you give him my regards.
A．would
B．shall
C．should
D．will
单项选择题
One thing he felt regret for was that he never had the ______ of hearing him play the piano.
A．occassion
B．possibility
C．opportunity
D．chance
相关试题