问题补充：
— does it to drive to the train station!
—Half an hour.
A. How far, spend
B. How long, take
C. How long, spend
D. How far, take
答案：
A. How far, spend
(答案→)B. How long, take
C. How long, spend
D. How far, take
解析：答语回答的是时间。所以要用How long 来提问；因主语是it是物谓语动词应用take。而不能用spend
