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Everyone wear a seat belt in the car. [ ] A.is supposed to B.supposes to C.is su

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Everyone wear a seat belt in the car. [ ] A.is supposed to B.supposes to C.is su

Everyone ________ wear a seat belt in the car.

[]

A.is supposed to

B.supposes to

C.is supposed

D.supposed to

试题答案

答案:A

解析:

be supposed to do sth.为固定短语,意为“应该做某事,理应做某事”。