题目内容：
55. While I was in the university, I learned taking a photo, _____is now very useful for me. 我在大学的时候学习过摄影，这对我很有用。A. it B. which C. that D. what
参考答案：
选择题：55. While I was in the university, I learned takin
- 题目分类：东华大学大学英语4
- 题目类型：选择题
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A. it B. which C. that D. what