问题
选择题
--- __________ does your car need the vehicle repair?
--- Every six months.
A．How long
B．How often
C．How soon
D．What time
答案
答案：B
题目分析：句意：你的车多久修理一次？每六个月。A 多长；B 多久一次；C 多快；D 什么时间；根据语境故选B。
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