题目内容
16.Seventwelfths (twelve) of the students have been to the exhibitions since last weekend.分析 自上周末以来,十二分之七的学生已经参加了展览会.
解答 答案:twelfths
根据题干,结合提示,可知是说:自上周末以来,十二分之七的学生已经参加了展览会.十二分之七,是分数,分母应该用序数词,当分子大于1时,分母应该加s.twelve的序数词形式是:twelfth.故填:twelfths.
点评 本题主要考查完成句子,首先要根据所给单词提示,然后根据句式特点,结合句意和词性,确定单词的适当形式,最后把句子补充完整.就本题而言主要考查分数表达法.
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