The suggested plan was to ______.
A: turn on all lights
B: mm off all electricity for a short time
C: shut off the fights in cities
D: dim all lights
A: turn on all lights
B: mm off all electricity for a short time
C: shut off the fights in cities
D: dim all lights
举一反三
- All the lights before we left the office. A: has been turned off B: have turned off C: had been turned off D: had turned off
- Turning off lights when and not wasting electricity will reduce the demand for energy. A: they are not working B: they are not needed C: they are broken D: they are dim
- --- 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
- All the lights are on, miths __________ up.
- They switched off all lights and waited for their little sister in the _____ light of candles, hoping to give her a birthday surprise. A: faith B: faithful C: faint D: faintly