Task III: Fill in the correct imperative.

1-Don't talk on the phone while driving. 2-Look both ways before crossing the road. 3-Wear a helmet when riding a motorcycle. 4-Don't lean out of the window while driving. 5-Don't leave your seatbelt undone. 6-Don't let children play on the street. 7-Always wear a bicycle helmet. 8-Use the door on the pavement side to get out of the car.