题目内容
() 7. I think necessary us to do something to help the homeless people.
A. this is;for B. it's; of C. this;of D. it; for
D
练习册系列答案
相关题目
题目内容
() 7. I think necessary us to do something to help the homeless people.
A. this is;for B. it's; of C. this;of D. it; for
D