Question

【题目】- does your father go to the fitness center?
- He exercises there twice a week.
A.How soon
B.How often
C.How long

Answer 1

【答案】C
【解析】句意：——你爸爸多久去一次健身中心? ——他一周在那里运动两次。根据短语twice a week说频率, 所以选C。