Turn the following sentences into the active voice.
1. These exercises were done well.
2. This dress must be washed in cold water.
3. No mistakes have been made in his composition.
4. His painting will be exhibited for the first time by New Arts gallery.
5. This house was built 100 years ago.
6. These artificial flowers are made of silk.
7. The lessons are being written by the students now.
8. This job has to be done at once.
9. These animals at the zoo are fed twice a day.
10. The operation is going to be performed by French doctors.
11. All the arrangements have been made.
12. When was this radio manufactured?
13. They couldn’t be found anywhere.
14. Is mathematics taught in this school?
15. Fortunately the machinery wasn’t damaged by the accident.
16. Please wait here while your luggage is being examined.
17. How are candles made?
18. For a long time the earth was believed to be flat.
19. Were you taught how to apply this theory by your teacher?
20. Apples are said to be good for our health.
21. Don’t let the dog be teased by the children.
22. It is believed that red is the symbol of luck.
23. What have been done to help the poor in this city?
24. The jewelry must have been stolen while she was out.
25. Where did the treasure use to be hidden by pirates in the old time?
nhờ các bạn làm giúp mình ạ mình đang cần gấp
1. They did this exercise well.
2. They must wash this dress in cold water.
3. He hasn't made any mistakes in his composition.
4. He will exhibit his painting for the first time by New Arts Gallery.
5. They built this house 1000 years ago.
6. They make these artificial flowers of silk.
7. The students are writing the lessons now.
8. They have to do this job at once.
9. They feed these animals at the zoo twice a day.
10. French doctors are going to perform the operation.
11. They have made all the arrangements.
12. When did they manufacture this radio?
13. We couldn't find them anywhere.
14. Is she teach mathematics in this school?
15. The accident didn't damage the machinery fortunately.
16. Please wait here while we are examining your luggage.
17. How do they make candles?
18. For a long time they believed that the earth was flat.
19. Did your teacher teach you how to apply this theory?
20. They say that apples are good for our health.
21. Don't let the children tease the dog.
22. They believed that red is the symbol of luck.
23.What have they done to help the poor in the city.
24. The robber has stolen her jewelry while she was out.
25. Where did pirates used to hide the treasure in the old time.
