网址：http://m.1010jiajiao.com/timu3_id_2418190[举报]
When you leave, don’t forget ___ off the light.
A. turning B. turned C. to turn D. turn
Don’t forget __________ the light when you leave.
A. turning on B. to turn off C. to turn on D. turns off.
Don't forget ________ the light when you leave the room.
A. turn off
B. to turn off
C. turning off
D. turned off