How to ask passengers to turn off mobile phone properly?
A.
Could you please switch off your cell phone?
B.
Would you please turn off your mobile phone?
C.
Would you be kind enough to turn off your mobile telephone?
D.
Excuse me, Miss. For your safety telephone is not allowed to use during the flight.
E.
You can’t use the cellphone.
F.
You mustn’t use your mobile phone.
G.
Please switch off your cell phone.