This is a pen. The pen is a red 怎么改正确

学习时间:2026-04-09 02:41:38 阅读：1456

This is a pen. The pen is a red 怎么改正确在线等

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2026-04-09 02:41:38

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This is a pen。The pen is a redThis is a pen。The pen is red多了个a这是钢笔,这钢笔是红色的,red是形容词,不需要加数词a