Chuyển sang câu bị động
21. They haven’t sent us the book they published .
22. No one has made any comments on the event.
23. What do they call the new hotel?
24. They made us stay indoors while they were testing the new weapon.
25. They expect you to arrive at work 5 minutes earlier than the others.
26. Everybody thought that Jack was the laziest of al the people.
27. They have closed the motorway because they are repairing it.
28. Someone left the back door open and turned off the light in the yard.
29. We must wash this kind of cloth in warm water only.
30. I had someone wash my suit this morning.
31. People consume gas faster than they produce it.