题目内容
15．We should speak to the old manpolitely （polite）．分析 我们应该礼貌地和老人说话．
解答 答案：politely
联系语境，根据句中关键动词speak，结合提示词polite可知它是一个形容词"礼貌的"，此处修饰动词speak应该用其副词形式politely，意为"和老人有礼貌地说话"．故填写politely．
点评 此题考查形容词与副词之间的转化．做题时抓住句中关键词确定出所填词的词性，并注意其变化形式．
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