1 milk is used for making butter and cheese

2 many accidents are caused by careless driving

I.

1. is brought

2. recycled

3. will be carried out

4. are sent

5. were performed

6. were broken

7. were destroyed

II.

1. Milk is used for making butter and cheese.

2. Many accidents are caused by careless driving.

3. This house isn't used very often.

4. This road isn't used very often.

5. When is his homework usually done ? 

III.

1. The bill must be paid at once.

2. English is spoken by many people in the world.

3. Is rice in your country exported to Britian ?

4. Our children shall be taken to the zoo this weekend.

5. I was very delighted to pass the final exams.

6. It is interesting to go fishing with friends at weekends.

7 It is a good activity at home to help mom with housework.