Put these sentences into the passive voice
Chuyển về bị động
----- Nội dung ảnh -----
20. Nobody informed the police that there had been a mistake.
21. Where will your company send you next year?
22. Who looked after the children when you were away?
23. Look! Someone is feeding the seals.
24. Kathy had returned the book to the library.
25. By this time tomorrow, the president will have made the announcement.
26. The pollution in the city was affecting people’s breathing.
27. Mrs. Andrews hasn’t signed those papers yet. Has Mr. Andrews signed them yet?
28. Is a student pilot flying that airplane?
29. Where did they hold the 1988 Olympic Games?
30. Do they make those tractors in this country or do they import them?
----- Nội dung ảnh -----
20. Nobody informed the police that there had been a mistake.
21. Where will your company send you next year?
22. Who looked after the children when you were away?
23. Look! Someone is feeding the seals.
24. Kathy had returned the book to the library.
25. By this time tomorrow, the president will have made the announcement.
26. The pollution in the city was affecting people’s breathing.
27. Mrs. Andrews hasn’t signed those papers yet. Has Mr. Andrews signed them yet?
28. Is a student pilot flying that airplane?
29. Where did they hold the 1988 Olympic Games?
30. Do they make those tractors in this country or do they import them?