Change these sentences into the passive voice:
1. The milkman brings bottles of milk to house
=>bottles of milk are brought to house
2. How do people learn language ?
=>How is language learnt?
3. The manager must sign the cheque
=>the cheque must be signed by the manager
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 hospital has been built near the airport
10. Do they speak French and English in Canada
=>Are French and English spoken in Canada?