math problem is too difficult. I can't work it out.[ ]A. The secondB. secondC. Second D. Secon
A. The second B. secondC. Second D. Second one
题目简介
math problem is too difficult. I can't work it out.[ ]A. The secondB. secondC. Second D. Secon
题目详情
A. The second
B. second
C. Second
D. Second one
答案