题目内容：
By the time the course ends,_ a lot about the American way of life. A. we have learned B. we will learn C. we are learning D.well have learned
参考答案：
选择题：By the time the course ends,_ a lot about the Amer
- 题目分类：西安交通大学-土木工程-英语
- 题目类型：选择题
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