问题补充:
—a year does your school have sports meetings?
—Twice a year.
A. How often
B. How soon
C. How long
D. How many times
答案:
A. How often
B. How soon
C. How long
(答案→)D. How many times
解析:根据答语可知考查how often引导频率。How soon“多久”,how long“多长”,how many times“多少次数。