题目内容
19.I got a beautiful MP4from my father on mytwelfth birthday.(twelve)分析 在我十二岁生日时爸爸给我一个漂亮的MP4.
解答 答案:twelfth
根据所给词twelve是基数词表达数量意为"十二",再结合该空格前有物主代词my,后修饰名词birthday作定语表达顺序,故用twelve的序数词twelfth"第十二",故填twelfth
点评 此题考查数词的用法,尤其是基数词和序数词的转化.做题时准确理解句意,抓住句中的关键词准确判断出所填数词的准确形式,并作出相应的形式上的变化

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