Đáp án:
1. The milkman brings bottles of milk to house
Bottles of milk are brought to house by the milkman.
2. How do people learn language ?
How was language learned?
3. The manager must sign the cheque
The cheque must be signed by the manager.
4. They kept me waiting for half an hour
I was kept wating for half an hour.
5. John will collect me at the airport
I will be collected at the airport by John.
6. They are building a new ring road round the city
A new ring road is being built round the city.
7. We can't wear jeans at work
Jeans can't be worn at work.
8. Will you invite her to your birthday party
Will she be invited to your birthday party?
9. They have built a new hospital near the airport
A new hospitalnear the airport has been built.
10. Do they speak French and English in Canada?
Are French and English spoken in Canada?
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