Ladies and gentlemen,please switch _______ your mobile phones!The plane is taking off.
A: over
B: on
C: to
D: off
A: over
B: on
C: to
D: off
举一反三
- 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
- Would you please turn off your cell phones for the _____ of the flight?
- You don’t need to turn off your mobile phones and other electronic devices.( )
- The Spainish will turn off their mobile phones in restaurants or theatres.
- The plane __________ when we got to the airport. A: had taken off B: has taken off C: will take off D: is taking off