To keep safe,everyone is (suppose) to wear a seat belt in the car.To keep safe,everyone is (suppose) to wear a seat belt in the car.
问题描述：
To keep safe,everyone is (suppose) to wear a seat belt in the car.
To keep safe,everyone is (suppose) to wear a seat belt in the car.
答
supposed. be supposed to do sth. 应该做某事
答
be supposed to do sth. =should do sth. 应该做某事
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答
is 【supposed】 to （应该.）