单项选择题

Some language students reach a high ______ of competence in communication.

A．level
B．note
C．grade
D．mark
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单项选择题
There could have been a war over it but in the end reason ______.
A．prevailed
B．counted
C．induced
D．survived
单项选择题
The purpose of the survey was to ______ the inspectors with all conditions.
A．in form
B．acquaint
C．instruct
D．announce
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