单项选择题

The electronic shaver ______ before it can be used.

A．needs repairing
B．requires to be repairing
C．should be in repair
D．has to be repairable
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单项选择题
Teenagers shouldn' t be ______ from school although they don' t do well in studies.
A．disappeared
B．gone
C．removed
D．beaten
单项选择题
What she suggested at the meeting was that we ______ cancel the original plan.
A．should
B．could
C．would
D．must
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