单项选择题

The policemen went into action () they heard the alarm.

A. promptly
B. presently
C. quickly
D. directly

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单项选择题
There is not much time left; so I’ll tell you about it ().

A. in detail
B. in brief
C. in short
D. in all
单项选择题
This watch is () to all the other watches on the market.

A. superior
B. advantageous
C. super
D. beneficial
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