Question

【题目】We ________ wear masks to keep away from COVID-19 in public.

A.mustB.mayC.canD.need

Answer 1

【答案】A

【解析】

句意：在公共场合为了远离新型冠状病毒我们必须戴口罩。

考查情态动词。must必须；may可能；can能够；need需要。根据“wear masks to keep away from COVID-19 in public”可知戴口罩是必须的，用情态动词must。故选A。