问题
选择题
—_______ has your brother been a member of Trailwalker?
—Ever since 2005.[ ]
A. How far
B. How often
C. How long
D. How soon
答案
答案：C
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—_______ has your brother been a member of Trailwalker?
—Ever since 2005.[ ]
A. How far
B. How often
C. How long
D. How soon
答案：C