（）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
A: If you were to turn off
B: Turn off
C: Turning off
D: Having turned off
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
- --- 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
- Don't forget ______ the light when you leave. A: turn off B: to turn off C: turning off D: turned off
- --- 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