题目内容
15．It is not ppolite to talk loudly in public．分析 在公共场合高声喧哗是不礼貌的．
解答 答案：polite．
根据"to talk loudly in public"以及"not_______"可知在公共场合大声喧哗是不礼貌的，结合给出的首字母p，所以要用形容词polite来填空，polite是形容词，意思是"有礼貌的"，故填polite．
点评 首先要掌握句子的意思，然后结合具体的题目以及给出的首字母提示，就可以确定正确答案．
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