TURN THESE SENTENCES INTO THE PASSIVE VOICE
21.Jack won’t pay the bill.
22.Someone built this house in 1990.
23.My sister cleans the room everyday.
24.A lion killed Mary’s dog last week.
25.Does Tom always do his exercises carefully?
26.Her mother doesn’t cook meals in the kitchen.
27.The teacher punished Tom because of his laziness.
28.Did Henry sing English songs beautifully?
29.About thirty million people are watching this programme.
30.No-one has ever met him before.
31.People used oil-lamps years ago.
32.When did they open that hospital?
33.No-one has made any comments on that event.
34.What do they call the new hotel?
35.We must wash this kind of cloth in warm water only.
36.People consume gas faster than they produce it.
37.Nobody has seen him anywhere this week.
38.Did anyone see you come in?
39.I remember that my father took me to town to see that film.
40.Someone told him he could not take the examination.
41.The hosts gave us a very warm welcome.