问题:
_____ Math books, they"re _____ books.
[ ]
A. Their; they
B. They"re; their
C. Them; their
D. They; them"s
_____ Math books, they"re _____ books.
B. They"re; their
C. Them; their
D. They; them"s
[ ]
A. Their; they B. They"re; their
C. Them; their
D. They; them"s
参考答案: