When a discussion is under way, everyone

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问题选择题

When a discussion is under way, everyone is welcome to have the_________ in class.

A floor B time C chance D right

答案

答案：A

单项选择题

必须凭医师处方销售、调剂和使用的药品是( )

A．戒毒药品
B．麻醉药品
C．精神药品
D．放射性药品
E．医疗用毒性药品

单项选择题

—This wall of air is an effective answer to the problem and it ______ work.
—But it is a question to put such a wall of air around the statue.

A. may

B. must
C. should

D. could