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
A: switch on
B: switch off
C: turn on
D: turn down
举一反三
- Upon departure, please switch off / turn off the air-conditioner.
- Your phone need to be during meeting! ( ). A: open B: turn off C: close D: switch off
- Please ______ the water when you brush your teeth. A: take down B: turn off C: take away D: turn up
- Dad is sleeping. Please _____ a little. A: turn on B: turn off C: turn up D: turn down
- The music is too loud. Would you please _________the volume? A: turn up B: turn in C: turn down D: turn off