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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（） your opinions are worth considering, the committee finds it unwise to place too much importance on them.

A. As
B. Since
C. Provided
D. While
单项选择题
Only under special circumstances （） to take make-up tests.

A. are freshmen permitted
B. freshmen are permitted
C. permitted are freshmen
D. are permitted freshmen
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