题目内容
It’s October 10th. Lucy is _______ years old now. Today is her ______ birthday.
| A．twelve; twelvth | B．twelve; twelve |
| C．twelfth; twelve | D．twelve; twelfth |
D
解析试题分析：句意：今天是10月10日。现在Lucy十二岁了。今天是她的第十二个生日。twelve years old十二岁要用基数词，her twelfth birthday要用序数词。据题意，故选D。
考点：考查数词辨析。
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