题目内容
根据句意和提示写出单词，完成句子。
When people ________(呼吸), they take in air and send it out through their nose or mouth．
答案：breathe
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题目内容
根据句意和提示写出单词，完成句子。
When people ________(呼吸), they take in air and send it out through their nose or mouth．