maryisthirteenyearsold,andbenisalsothirteenyearsold.（合并为一句）maryandbenareofthe___________.
2022-05-04 40次 反馈错误 加入收藏 正确率 : 100%
题目内容：
mary is thirteen years old,and ben is also thirteen years old.（合并为一句）
mary and ben are of the _____ ______.
优质解答
mary and ben are all thirteen years old
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