TURN OFF ALL THE SWITCHES BEFORE LEAVING THE ROOM. A. ALL THE SWIT...

46. - 25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN
25 DE THI HOC KI 1 MON TIENG ANH LOP 12 CO DAP AN

46.

Turn off all the switches before leaving the room.

A. All the switches must be turned off before leaving the room.

B. All the switches must be turned off before you leave the room.

C. You must leave the room before turning off all the switches.

D. You must leave the room as soon as you turn off all the switches.