您的位置: 首页 > 作业答案 > 英语 > What's this?It's a pen.(改为复数句) What's this?It's a pen.(改为复数句) 分类: 作业答案 • 2021-12-28 11:25:33 问题描述: What's this?It's a pen.(改为复数句) 答 What are these?These are pens