题目内容：
4.-How long does it take to go there____?－Approximately 10 minutes.
A. on walking
B. in walking
C. by walking
D. with walking
参考答案：
选择题：4.-How long does it take to go there____?－Approxim
- 题目分类：大学英语1
- 题目类型：选择题
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－Approximately 10 minutes.
A. on walking
B. in walking
C. by walking
D. with walking