people will work three days a week.three das 是划线部分( )( )( )people work a week?

问题描述:

people will work three days a week.
three das 是划线部分
( )( )( )people work a week?

(How )(often )(do )people work a week?

表示频率,how often do people work a week?

cheap

我觉得How long do也可以