YOU ... A LIGHT WHEN YOU DON’T NEED IT. A SHOULDN’T SWITCH OFF BSHOU...
7/You ... a light when you don’t need it.
A shouldn’t switch off Bshould turn off
C.should turn on Dshould switch on
7/You ... a light when you don’t need it.
A shouldn’t switch off Bshould turn off
C.should turn on Dshould switch on