---Excuseme,wherearethebooksthatyouboughtyesterday? ...
来源：语文精选馆 2.37W
问题详情：
--- Excuse me, where are the books that you bought yesterday?
--- Oh, they are not _________. We bought them for the students as presents.
A. mine B. ours C. yours theirs
【回答】
B
知识点：物主代词
题型：选择题
