您的位置: 首页 > 作业答案 > 其他 > what are these?these are books.哪里错了 what are these?these are books.哪里错了 分类: 作业答案 • 2022-01-02 14:23:50 问题描述: what are these?these are books.哪里错了 答 可能答句中these要改为they