来源：学生作业帮 编辑：神马作文网作业帮 分类：英语作业 时间：2024/10/05 10:21:12
基数词变序数词1-31急!
first/second/third/fourth/fifth/sixth/seventh/eighth/ninth/tenth/
eleventh/twelfth/thirteenth/fourteenth/fifteenth/sixteenth/seventeenth/eighteenth/nineteenth/twentyth/
twenty-first...以此类推...thirty-first
= =我容易么我~
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