He has ( many) books at home.{对括号里的部分进行提问}( )( )( ) ( )he ( )at home?

问题描述:

He has ( many) books at home.{对括号里的部分进行提问}
( )( )( ) ( )he ( )at home?

How many book does he have at home?

How many books does he have at home?