题目内容
13．I like Thursday，the fifth day of a week best because I can play football．分析 我喜欢星期四，一个星期的第五天，因为我可以踢足球．
解答 答案：fifth 在英语中，星期天，作为一周的第一天，所以星期四，应该是一周的第五天．结合首字母f及定冠词the，可知应该用序数词第五，fifth，故填：fifth．
点评 本题主要考首字母填空，首先要根据句意，再根据首字母，推断空白处所缺的单词是什么．单词确定后，再根据人称，时态，短语，句型，语态等，确定单词的适当形式．本题主要考查序数词．
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