When you leave the room,you must___.
A: turn on the light
B: to turn on the light
C: turn off the light
D: to turn off the light
A: turn on the light
B: to turn on the light
C: turn off the light
D: to turn off the light
举一反三
- Don’t forget ______ the light when you leave the office. A: to turn off B: turning off C: turned off D: turn off
- . Don’t forget _____________ off the light when you leave the room. A: turning B: turn C: of turning D: to turn
- Don’t forget ____ off the light when you leave the classroom. A: turned B: turning C: will turn D: to turn
- Don't forget ______ the light when you leave. A: turn off B: to turn off C: turning off D: turned off
- You can turn on the air conditioner before you go home or turn off the light after you leave through the smart phone.