Question

---_______ a  year does  your school  have  sports meetings?
---Twice a year

1. A.
   How often
2. B.
   How soon
3. C.
   How long
4. D.
   How many times

Answer 1

D
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。