单项选择题

The police will need to keep a （wary） eye on this area of town.

A．naked
B．cautious
C．blind
D．private
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单项选择题
The proposal was （endorsed） by the majority of members.
A．approved
B．rejected
C．submitted
D．considered
单项选择题
The contract between the two companies will （expire） soon.
A．end
B．shorten
C．start
D．resume
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