题目内容
() 2. is really hard them to climb such a high mountain.
A. This;to B. It;to C. This;for D. It;for
2.D
练习册系列答案
相关题目
题目内容
() 2. is really hard them to climb such a high mountain.
A. This;to B. It;to C. This;for D. It;for