They are those ________ books. [ ]A. teacher's B. teachers's C. teachers D. teachers'
[ ]
A. teacher's B. teachers's C. teachers D. teachers'
题目简介
They are those ________ books. [ ]A. teacher's B. teachers's C. teachers D. teachers'
题目详情
[ ]
A. teacher's
B. teachers's
C. teachers
D. teachers'
答案