Change these sentences into passive voice Jack won’t pay the bill?

TURN THESE SENTENCES INTO THE PASSIVE VOICE

21.Jack won’t pay the bill.

=>The bill won't be paid by Jack.

22.Someone built this house in 1990.

=>This house was built in 1990.

23.My sister cleans the room everyday.

=>The room is cleaned by my sister every day.

24.A lion killed Mary’s dog last week.

=>Mary's dog was killed by a lion last week.

25.Does Tom always do his exercises carefully?

=>Are Tom's exercises always done carefully?

26.Her mother doesn’t cook meals in the kitchen.

=>Meals aren't cooked in the kitchen by her mother.

27.The teacher punished Tom because of his laziness.

=>Tom was punished by the teacher because of his laziness.

28.Did Henry sing English songs beautifully?

=>Were English songs sung beautifully by Henry?

29.About thirty million people are watching this programme.

=>This programme is being watched by about thirty million people.

30.No-one has ever met him before.

=>He has ever been met before.

31.People used oil-lamps years ago.

=>Oil lamps were used years this week.

32.When did they open that hospital?

=>When was that hospital opened?

33.No-one has made any comments on that event.

=>Any comments have been made on that event.

34.What do they call the new hotel?

=>What is the new hotel called?

35.We must wash this kind of cloth in warm water only

=>This kind of cloth must be washed in warm water only.

36.People consume gas faster than they produce it.

=>Gas faster is consumed than it is produced.

37.Nobody has seen him anywhere this week.

=>He has been seen anywhere this week.

38.Did anyone see you come in?

=>Were you seen come in?

39.I remember that my father took me to town to see that film.

=>my father is remembered took me ....

40.Someone told him he could not take the examinatio

=>He was told the examination couldn't taken.

41.The hosts gave us a very warm welcome

=>We were given a very warm welcome by the hosts.