Ex. 1. Fill in the gaps with missing words.

Road safety.

You must … (1) the street when the light is green. Stop at the traffic … (2) if the light is red. The … (3) is heavy here. When on a bus, don't lean out of … (4). Always check … (5) on your bikes. Never talk to a … (6) in a car. Never forget about the traffic … (7) when you drive a car. Make … (8) that the street is clear and cross the road.

Brakes, sure, cross, window, traffic, lights, driver, signs