根据首字母或汉语提示写出单词 1. Be careful, don't t________ on the step. 2. The nurse cleaned the w_________ before the operation. 3. Andy has a _________ (发烧) and won't be coming into the work today. 4. I was upset at ___________ (错过) all the excitement. 5. Tommy is still in bed with _________ (流感).