A.Where are you going? B.Can I help you? C.Please fasten your seat belt.
A.Good night. B.Can I help you? C.Here we are.
A.空调温度 B.音响音量 C.空调风力
A.荣昌 B.江津 C.合川
A.渝中区 B.江北区 C.沙坪坝区