Yesterday was my son'stwelfth birthday.he was very happy．题目和参考答案——青夏教育精英家教网—

题目内容

10．Yesterday was my son'stwelfth birthday，he was very happy．（twelve）

分析昨天是我儿子的12岁生日，他很高兴．

解答答案：twelfth．
在英语中，几岁生日要用序数词，也就是第几个生日．根据"_______birthday"以及给出的英语提示twelve，所以要用twelfth，故填twelfth．

点评首先要掌握英语中生日的表达法，然后结合具体的题目，就可以确定正确答案．

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