YOU ... A LIGHT WHEN YOU DON’T NEED IT. A. SHOULDN’T SWITCH OFF B....

37. - 55 CAU TRAC NGHIEM ON TAP ANH 6
55 CAU TRAC NGHIEM ON TAP ANH 6

37. You ... a light when you don’t need it.

a. shouldn’t switch off

b. should turn off

c. should turn on

d. should switch on