The following expressions are used to ask people to do something. Put them into the right order from the least polite to the most. A: I’d appreciate it if you could turn down the music. B: Turn down the music. C: Would you mind turning down the music? D: I wonder if you could please turn down the music. E: Please turn down the music. F: Could you please turn down the music?

Our plane is about to take off. Please ___________ your electronic devices.A. switch on B. switch off C. turn on D. turn down A: switch on B: switch off C: turn on D: turn down

Please ______ the radio a little. I can’t hear it clearly. A: turn on B: turn off C: turn up D: turn down

Please turn down the radio, for grandpa sleeps.

-The radio is too loud. Could you please turn it down?- A: Please forgive me. B: That's all right. C: I could. D: OK.