4. Use passive Voice
1.The first road vehicles (to power) by a steam. 2. Most auto bodies (to make) of steel. 3. Stolen
goods (to find) in the hood of her car. 4. The streets (crowd) with automobiles. 5. If someone
(injure) in a car accident, you should not move him or her. 6. Over 12 million cars (recycle)
every year. 7. Two ropes (attach) to the bumper of a car. 5. This colourless gas (emit) mainly
from cars and trucks.