问题
选择题
_ will it take you to get to the post office?
-About half an hour.[ ]
A. How old
B. How long
C. How soon
D. How often
答案
答案：B
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_ will it take you to get to the post office?
-About half an hour.[ ]
A. How old
B. How long
C. How soon
D. How often
答案：B