--- Look! The lights in the classroom are still on. __________
A: turning them off
B: turn them off
C: to turn them off
D: having turned them off
A: turning them off
B: turn them off
C: to turn them off
D: having turned them off
B
举一反三
- --- The light in the office is still on. A: turn it off B: having turned it off C: to turn it off D: turning it off
- I forget ______ the light in the office, so the lights in the office are still on. A: turning off B: to turn off C: having turned off D: turned off
- I thought I ____ the light, but it is still turn on. A: had turned off B: was turning off C: have turned off D: would turn off
- The light in the office is still on. John's forgotten ___ . A: turn it off B: turning it off C: to turn it off
- （）the road, and you will come to the post office. A: If you were to turn off B: Turn off C: Turning off D: Having turned off
内容
- 0
The children started arguing. I made them turn off the TV.
- 1
—The light in the office still on. —Sorry! I forgot ( )when I left. A: turned it off B: turned it on C: to turn it off D: to turn it on
- 2
Don't forget ______ the light when you leave. A: turn off B: to turn off C: turning off D: turned off
- 3
Don’t forget ______ the light when you leave the office. A: to turn off B: turning off C: turned off D: turn off
- 4
By turning off lights, the television, and the computer when you are them, you can help a lot.