根据首字母及汉语释义填写单词。 1. It will be rainy, you'd better take an u_______ (雨伞) with you. 2. Our teacher is still c_______ (检查) our homework. 3. Many p_______ (乘客) got hurt in this accident. 4. You are so funny! I can't stop l _______ (笑). 5. My c_______ (化学) teacher's lesson is so interesting that all of us like it.