Bob is never late for school .(对never提问) ____ ____ is Bob late for school
问题描述：
Bob is never late for school .(对never提问) ____ ____ is Bob late for school
答
how often
答
答案：【How often】is Bob late for school
翻译：Bob 多长时间上学迟到一次?
解析：从频度副词never可以知道要用how often【多久一次】
【望采纳哦!】
【你的10满意,我们团队的无限动力】