摘要： be supposed to
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According to the traffic rules, everyone is supposed ________ a seat belt in the car.
- A.wearing
- B.to wear
- C.to be worn
- D.wear
According to the traffic rules, everyone is supposed ______ a seat belt in the car.
[ ]
A. to wear
B. wearing
C. to be worn
D. wear
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B. wearing
C. to be worn
D. wear
Everyone is supposed ____ a seat belt in the car.
A. wearing B. to wear C. to be worn D. wears
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