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