题目：
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。
小题1:Mr. Wu is our teacher. He teaches ______ (we) English.
小题2:Smoking is bad to people’s (healthy).
小题3:He likes swimming. He is a good ________(swim).
小题4:The boy eats too many chocolates and sweet food, so his _______ (tooth) are getting worse.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：C
