IT IS IMPORTANT THAT YOU TURNED OFF THE HEATER EVERY MORNING BEFORE YOU LEAVE FOR A B C D CLASS

6. - 140 CAU TRAC NGHIEM TIENG ANH CHUYEN DE TIM LOI SAI CO DAP AN 1
140 CAU TRAC NGHIEM TIENG ANH CHUYEN DE TIM LOI SAI CO DAP AN 1

6. It is important that you turned off the heater every morning before you leave for

A B C D

class.