问题补充:
---Do you know it is from our school to Yangzhou?
---I am not sure. I guess its about 40 minutes by bus.
A. how far
B. how soon
C. how long
D. how often
答案:
(答案→)A. how far
B. how soon
C. how long
D. how often
解析:句意:--你知道从我们学校到扬州多远吗?--我也拿不准,我猜坐汽车需要40分钟。A. how far多远; B. how soon多久; C. how long多长; D. how often多常。根据句意故选A。
考点: 考查疑问词辨析。