Question

【题目】A: _____does she exercise? 　B: Once a week.

A. How often B. How soon

C. How long　 D. How far

Answer 1

【答案】A

【解析】句意：A:她多久锻炼一次？B：一周一次。根据Once a week.可知此处对频率提问，故用疑问词how often。故选A。