问题
选择题
—_____did the railroad start?
— It started in Beijing and it finished in Zhangjiakou. [ ]
A. What
B. When
C. Where
D. Who
答案
答案：C
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—_____did the railroad start?
— It started in Beijing and it finished in Zhangjiakou. [ ]
A. What
B. When
C. Where
D. Who
答案：C