根据句意和汉语注释,在答题卡标有题号的横线上,写出单词的正确形式。 1. Mr. Wu is our teacher. He teaches _____ (we) English. 2. Smoking is bad to people's _____ (healthy). 3. He likes swimming. He is a good _____ (swim). 4. The boy eats too many chocolates and sweet food, so his _____ (tooth) are getting worse. |