单项选择题
Section A
A.Give the ring to a policeman. B.Wait for the owner of the ring in the rest mom. C.Hand in the ring to the security office. D.Take the ring to the administration building.
A.Air traffic conditions. B.Traffic jams on highways. C.Road conditions. D.New traffic rules.
A.In a fast-food restaurant. B.At a shopping center. C.At a county fair. D.In a bakery.