单项选择题

They failed to ______ the directors that their proposals would work, therefore all of their work is just a waste of time and effort.

A．convince
B．confirm
C．convert
D．control
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单项选择题
During the famine, many people were ______ to begging food and money far away from their homes.
A．forced
B．reduced
C．inclined
D．obliged
单项选择题
After the conflict between the residents, the streets were deserted ______ the policemen on duty.
A．besides
B．except
C．but
D．except for
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