I). Change thế sentences into pasive.
1. Peter is writing a letter to his friend
2. My friends making some phone calls in the evening.
3. B ad drivers are causing many accidents
4. The children are eating a lot of sweets
5. Nam is repairing mt piano at the moment
6. They are demolishing the entire block
7. Someone is cutting the glass now
8 The factory is producing more and more pollution
9 Someone is showing her now to do it
10 The boys are plantting some trees in the garden
11 Lan was prepairing that report when i came to see him
12. waiters and waitresses were serving customers
13. The president was signgs those papers
14. Was mary helping her mother in the kitchen at the time?
15. The head teacher was making the announcement
16 Someone was cleaning the windows while I was there
17 They sere preseting the athletes to the spectators when we came
18 Someone is making the coffee when I walk into the kitchen
19 They have sold their car to pay debts
20 No one has opened the windows for ages
21 No one has over asked me that question before
22 They haven't done anything since he left
23 A doctor has just examined Jonh
24 They haven't used this machine for ages
25 Peter has sung this song
26 They have paid doctor a lot of money
