作业帮This is an apple.that is a pen.改复数形式
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/28 22:00:55
This is an apple.that is a pen.改复数形式
These are apples .Those are pens
These are apples.Those are pens.
thouse are pens
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慧海网手机作业共收录了 千万级 学生作业题目
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/28 22:00:55
This is an apple.that is a pen.改复数形式
These are apples .Those are pens
These are apples.Those are pens.
thouse are pens