EXERCISE 1:

1. Ann will be invited to the party by Bill.

2. That letter wasn't written.

3. The White House is visited by hundreds of people everyday.

4. This fact isn't known very well.

5. Are the dishes washed everyday?

EXERCISE 2:

1. That play was written by Shakespeare.

2. Is that lecture given by Jackson?

3. You will be sent money at the end of the month.

4. Spanish is spoken in many countries.

5. Stories is often read in the evening by the children.

EXERCISE 3: 

1. That cake wasn't made by Alice.

2. Newspapers are bought everywhere in the city.

3. A textbook will be published next year.

4. Milk is delivered at about six o'clock by her. 

5. The room is cleaned every day.

EXERCISE 4:

1. I was asked several difficult questions at the interview by a man.

2. He will be probably sent back to Britain.

3. Now this kind of bird is found in only a few remote places in Scotland.

4. They grow rice in the north.

5. We don't raise cows on our farm. 

EXERCISE 5:

1. People used oil-lamps years ago.

2. The boys will meet him tomorrow in the restaurant.

3. The old woman feeds fowls twice a day.

4. Does he often clean the windows?

5. She doesn't grow any trees in her garden.

EXERCISE 6:

1. The company will give him some money when he retires.

2. They took it back to the zoo.

3. Someone picks the fruits everyday.

4. Does the girl do the housework?

5. They don't drive out the cattle to the field in the winter.

EXERCISE 7:

1. The club bought him 2 years ago for a fee of $20 000.

2. I'll meet her at the airport.

3. Japan makes a lot of cars.

4. They don't keep cows over there.

5. Does machine do most of the farm work?