请教大家一道英语题, Danny ate brekfast once a week.once a week底下划横线,对划请教大家一道英语题, Danny ate brekfast once a week.once a week底下划横线,对划线部分提问
问题描述：
请教大家一道英语题, Danny ate brekfast once a week.once a week底下划横线,对划
请教大家一道英语题, Danny ate brekfast once a week.once a week底下划横线,对划线部分提问
答
How often did Danny eat breakfast?
onece a week 一个星期一次，对于频率用how often 提问，多久一次
答
how ofen did Danny eat breakfast?
按你现在的问题是对once a week是这么提问，但我觉得你时态有点问题，既然是一周一次，应用一般现在时态，怎么会用过去时态呢？
答
划线提问：How often did Danny eat breakfast?
对于频率用how often 提问,多久一次
答
How often did Danny eat breakfast?