— _______ in the box?— There's a pen in it. [ ]A. What B. What's C. What are D. Who's
[ ]
题目简介
— _______ in the box?— There's a pen in it. [ ]A. What B. What's C. What are D. Who's
题目详情
— There's a pen in it.
[ ]
B. What's
C. What are
D. Who's
答案