Question

　　He goes swimming twice a week in summer.(对划线部分提问)

Answer 1

答案：
解析：

答案：How often does he go swimming in summer? 　　解析：对“次数”进行提问时，用how many times，而对“频率”进行提问时，用how often，如对usually，often，once a month等提问就用how often。