Do not think that you are helping others who are not fortunate, but think of it as a/an ().

科目名称：人文英语2

试卷号：23937

题型：词汇与结构(单选题)

题目：Do not think that you are helping others who are not fortunate, but think of it as a/an ().

选项：A. exchange B. bargain C. trade

需要1积分查看

答案：A. exchange