就划线部分提问:They spend(about twelve)hours a day eating.( ) ( ) hours a day ( ) they ( ) eating?

问题描述:

就划线部分提问:They spend(about twelve)hours a day eating.
( ) ( ) hours a day ( ) they ( ) eating?

How many hours a day do they spend eating?

How many hours a day do they spend eating.

(How ) (many ) hours a day (do ) they (spend ) eating?