Put the verbs in brackets into the appropriate passive form: 20. this (not read). the pages cut). 21. why the car lock) or ) into the garage? 22. the damaged (tow) into harbour when the towline broke. 23. this (use) only on special occasions. 24. bicycles must not ) in the hall. 25. he was taken to hospital this afternoon, (operate on) tomorrow morning. 26. it was a lonely road, and the girl was afraid; she thought she ). 27. the paintings ) till the end of the month. 28. the little girl is the only child in the family, and she ) by her parents. 29. normally this (sweep) every day, but (not sweep) yesterday. 30. it was very cold yesterday afternoon, but we couldn't light a fire in the sitting-room; the chimney ). 31. this (to leave) in a classroom yesterday, it ) by the cleaner. 32. thousands of new houses ) every year. 33. when i saw the car, (drive) at over 50 miles an hour. 34. this (not use) for ages. 35. the children are very excited this morning. (take) to the circus this afternoon. 36. my keys ) to me; (pick up) in the street. 37. dogs must ) on leads in the gardens. 38. dictionaries may not ) at the examinations.
21 is locked/is put
22 is towed
23 is used
24 being left
25 was operated on
26 was followed
27 will be exhibited
28 is spoiled
29 is swept / wasn't swept
30 was swept
31 was left
32 are built
33 has been driven
34 has not been used
35 will be taken
36 are returned/ were picked up
37 being kept
38 being used