—________ books are these on the teacher’s desk? — They are Mary’s. A.Who B.What C.Whose D.Which
2022-05-30 08:07:24 91次 2020年北京市房山区九年级衔接诊断测试（一模）英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—________ books are these on the teacher’s desk?
— They are Mary’s.
A.Who B.What C.Whose D.Which
本题链接：
