The school children usually play sports twice a week.对划线部分提问

问题描述:

The school children usually play sports twice a week.对划线部分提问
划线部分是twice,变为—— —— ——do the school children usually play sports a week?

How many times
对次数的提问.
如果帮到您了还希望采纳谢谢.
还有什么英语方面的问题可以问我.