Task 3 and Task 4 from the image.

{"q":"Task 3. Complete the sentences with the correct verb: wave, push, look, wear, learn, talk, walk. Give the instructions.","a":"1. When you ride your bike, wear a bicycle helmet. 2. When in the car, don't wave out of the window. 3. When going to school, walk on the pavement. 4. When on the bus, don't wave from the window. 5. When on the bus, don't talk to the driver. 6. When on the street, look both ways before crossing."},{"q":"Task 4. Choose the correct preposition.","a":"1. It isn't dangerous to travel by plane. 2. Be careful when you cross the street on foot. 3. The supermarket isn't far so I go by bike. 4. When you travel on a bus, don't annoy others. 5. Never carry a second person on your bike. 6. It's safe to travel by train. 7. Always wear a seat belt when you travel in a car."}