根据文意及首字母提示补全短文。

    How can we students keep ourselves safe? Here are some tips.

    On your way home or to school: Wait for the g____ traffic light, and look left and right before you cross the road. If you see a car coming, don't cross until it really s____. Dress in bright colours so that the drivers can see you c____.

    At school: When students around you begin to push, try to hold onto something, or stay in a safer corner. If you f____ down in a crowded place, cover your head w____ both hands.

    When there's a fire: Stay calm and leave quickly. Use a piece of wet cloth to cover your mouth and nose so that you don't breathe in s____. If your clothes catch fire, drop to the ground and roll from side to side to p____ out the fire.

    For eating: Wash f____ like apples or pears carefully before you eat them. Check the expiration dates（保质期）and if your food looks or smells b____, don't eat it.

    For riding on the escalator(自动扶梯)：Hold onto the handrails (扶手）and stand on the right side of the escalator because right arms are stronger. It is d____ to run up and down on it. You may fall down because escalator steps are not designed for running.