Exercise 1: Change the active into the passive. 1. Somebody cleans the room everyday.
The room
2. They cancelled all the flights because of fog.
All the flights
3. People do not use this road very often.
This road
4. How do people learn languages?
How
5. People advised us not to go out alone.
We
6. They are going to build a supermarket next year.
A supermarket
7. She is using the computer at the moment.
The computer
8. They are opening a new ring road round the city.
A new ring road
9. They have built a big hospital which costs much money.
A big hospital
10.The girl did not give me the money.
I
11.Nobody told me the story.
I
12.About 30 million people are watching this program.
This program
13.They are building some new houses down the street.
Some new houses
14.They have moved nothing in your room.
Nothing
15.People used oil-lamps years ago.
Oil-lamps
16.When did they open that hospital?
When
17.The atmosphere protects the earth from harmful radiation from the sun.

The earth