The street lights come on at dusk and go off___（at dawn）.
举一反三
- Go along this street ______ you come to the fourth crossing. A: just B: to C: still D: till
- Jobs were not so easy to ____ when I was a teenager. A: get by B: come off C: come by D: go for
- The old street lights were _____________ by more energy-efficient models.
- He turned off the lights and then ____
- Out on the street, the bright lights and multicolored signs are g_________ in the darkness.