>1. How much time do you spend {} sleeping? lub How much time do you spend on your sleep?
>I sleep 8 hours a day.
>
>2. How much time do you spend {} having meals? lub on ...your meals?
>I spend {one hour} having meals.
>
>3. How much time do you spend {} working. lub ...on your work?
>I spend {seven} hours {} working.
>
>4. How much time do you spend {} doing houseweork or {shopping}? lub ...on your housework or shopping?
>I spend {two} hours {} doing housework and {two} hours on {shopping}.
>
>5. How much time do you spend {} relaxing, doing sport, or seeing {your}
>friends?
>I spend {one hour} relaxing, {one hour} doing sport and {two} hours seeing
>{my} friends.
jak wydajesz pieniadze na cos to mowisz: spend your money ON something
tak samo, jak spedzasz swoj czasna czyms: spend your time ON your homework
alej ak chcesz powiedziec, ze spedzasz swoj czas na robieniu czegos, to nie uzywasz ON, tylko sam czasownik w formie '-ing'