单项选择题

The workers requested that their working conditions ______.

A．must be improved
B．be improved
C．would be improved
D．were improved
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单项选择题
All the students in this class passed the English exam ______ the exception of Wang Ming.
A．on
B．in
C．for
D．with
单项选择题
It's already 5 o'clock now. Don't you think it's about time ______
A．we are going home
B．we go home
C．we went home
D．we can go home
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