问题
选择题
－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
答案
答案：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。
搜题请搜索小程序“爱下问搜题”