题目内容
18.It'simpoliteto smoke in public places.分析 在公共场所吸烟是不礼貌的.
解答 答案:impolite.考查形容词.句意"在公共场所吸烟是不礼貌的.".结合语境及所给字母可知,应该是"不礼貌的"impolite.答案是impolite.
点评 首字母填空类型题要充分理解句意,再根据首字母提示完成试题,注意时态,单复数,词性等变化.
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