Everyone is supposed a seat belt in the car.A. wearingB. to wearC. to be wornD. wears

问题补充：

Everyone is supposed a seat belt in the car.

A. wearing

B. to wear

C. to be worn

D. wears

答案：

A. wearing

(答案→)B. to wear

C. to be worn

D. wears

解析：考查固定句型。be supposed to do sth.“应该做某事”。句意“每个人都应该系安全带。”故选B。