Duringthe special period of fighting against the infective illness, you ________-组卷网

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During the special period of fighting against the infective illness, you ________ wear a mask when going out.

A．must

B．can

C．need

D．may

23-24高二上·天津·阶段练习

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知识点：Maymustneedmust表示“必须”“应当” 答案解析【答案】很抱歉，登录后才可免费查看答案和解析！

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