___ the heating off? It's really cold in here.
A: Do they turn
B: Have they turned
A: Do they turn
B: Have they turned
举一反三
- It is cold in the room. They ________ the heating. A: must have turned off B: must turn off C: can’t have turned off D: may turn 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
- 1. It is cold in the room. They ______ have turned off the heating.
- --- It’s so dark here. Why didn’tyou turn on the light?--- The electricity was_________because we didn’tpay the bill. A: cut off B: turned off C: switched on D: disconnected to
- It _____ that he was George’s father. A: turn up B: turned out C: turned on D: turned off