Question

Mobile phones take up much more battery power when (1) __________ are in vibration mode than when the ringtone is (2) __________ . Keep brightness to a minimum, (3) __________ switch off your Bluetooth (4) __________ times when you (5)________ not sharing files.
Options:

it / them / that / they

in / on / of / to

after / but / and / nor

on / many / to / at

5. our /are / at / on​

Answer 1

They are not correct options please check