问题
选择题
—________ is from Kaifeng to Zhengzhou?
—about 70 KM. [ ]
A. How long
B. how far
C. How soon
D. How often
答案
答案：B
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—________ is from Kaifeng to Zhengzhou?
—about 70 KM. [ ]
A. How long
B. how far
C. How soon
D. How often
答案：B