阅读下面短文,用方框中所给的词的适当形式填空,每个词限用一次(有4小题需要变形)。
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How can we students keep ourselves safe? Here are some tips.
On your way home or to school: Wait for the traffic light, and look left and right before you cross the road. If you see a car coming, don't cross until it really . Dress in bright colors, so the drivers can you clearly.
At school: When students around you begin to push, try to hold onto(抓住) something, or stay in a safer corner. you fall down in a crowded place, cover your head 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 smoke. If your catch fire, drop them to the ground and roll from side to side to out the fire.
For eating: Wash like apples or pears carefully before you eat them. Check the expiration dates(保质期) and if your food looks or smells , don't eat it.
For taking the escalator(自动扶梯): Hold onto the handrails(扶手) and stand on the right side because right arms are stronger. It is to run up and down on them. You may fall down and hurt yourself.