According to the air traffic rules，you should your mobile phone before boarding．
#70302
A
switch over
B
switch on
C
switch off
D
switch round
推荐题目
He was wearing a lot of clothes to _____ himself from the cold.
#65534
A
protect
B
prevent
C
keep
D
stop
____ by his grandparents, Jimmy wasn’t used to living with his parents.
#73581
A
To bring up
B
To be brought up
C
brought up
D
Being brought up
Nowadays everyone hopes to ______ good education so as to get a good job in the future.
#77802
A
accept
B
accept a
C
receive
D
receive a
The cost of Prince Charles and Dianna’s wedding ______ 2, 000, 000 pounds.
#69923
A
added up
B
added to
C
added up to
D
was added up to