问题补充:
—do you have an Art Festival in your school? —Once a year.
A. How long
B. How often
C. How far
D. How soon
答案:
A. How long
(答案→)B. How often
C. How far
D. How soon
解析:句意:——你们学校多久举办一次艺术节。—— 一年一次。从回答中可知道问的是频率,多久一次,故选B。 how long多久,how far多远,how soon多快。