Last Sunday my brother had a small (11) on Green Road. He was riding his bike too fast. A (12) saw it and ran to him at once. My brother could not stand up, and he felt (13). The officer gave him first (14) and called my parents. Doctors say bikes are (15) when riders go too fast. Now my brother always rides slowly, and he wears a helmet every day.
Yesterday a (16) came to our school and gave a talk on safety. He said many students walk home in the (17) without looking out for cars. He told us to look in both (18) before we cross the road. He also said we should not carry a big (19) alone at night. If someone tries to (20) you, shout loudly and run away. Everyone listened carefully, and I think his advice is very useful.