题目内容
-To keep safe, everyone_______ wear a seat belt(安全带) in a car.
A. is suppose B. are supposed to C. is supposed to D are supposed
A. is suppose B. are supposed to C. is supposed to D are supposed
C
此题考查固定短语be supposed to do sth表示应该做某事,everyone表示个体做主语时谓语动词要用单数形式。
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