根据句意和汉语提示完成句子。 1. What's wrong with Jim? He has an a_______ and hurts his leg. 2. What should we do before we c_______ the road? We should stop and look both ways. 3. Students shouldn't be l_______ for school. 4. You must be c_______ when you want to go across the bridge. 5. If you drive too fast, you'll get a t_______ for speeding.