19. Who is working in the garden?- We….. .
a) are; b) do; c) is; d) have.
20. Where….my sisters travelling now?
a) have; b) do; c) are; d) is.
21. The antonym for the verb “to turn on” is….
a) turn at; b) turn in; c) turn of; d) turn off.
22. When it is cold in the room, my father turns on….. .
a) gas; b) hot water; c) washing machine; d) central heating