how often 的用法How oftendo you help the old man with the housework?Once a week为什么

分类: 作业答案 • 2022-08-06 15:13:48

问题描述：

how often 的用法
How oftendo you help the old man with the housework?
Once a week为什么

答

how often 的用法：“多久,次数”
“你多长时间帮那个老人干一次家务活”
“一周一次”