Przyimki: to, on, in, at

I sometimes listen atinonto CDs.
I often go shopping atinonto Saturday.
I always read the newspaper atinonto the morning.
I usually listen to the radio atinonto the car.
I sometimes visit friends atinonto the evening.
He often plays football atinonto the weekend.
I usually listen to the radio atinonto the morning.
She always does nothing atinonto Sunday.
I often listen to the radio atinonto night.
Do you ever go swimming atinonto the sea?