10. Tuesday is Mary's washing day. She washes plates on this day. Wednesday is Mary's cooking day. She cooks cakes on this day. Thursday is Mary's swimming day. She swims in the swimming pool on this day. Friday is Mary's tennis day. She plays tennis on this day. Saturday is Mary's shopping day. She go for shopping on this day. Sunday is Mary's visiting day. She visits her friends on this day.
monday is Susan's the longest school day. She have a lot of lessons on this day. Tuesday is Susan's reading day. She reads on this day. Wednesday is Susan's swimming day. She swims on this day. Thursday is Susan's TV day. She watches TV on this day. Friday is Susan helping about the house day. She helps her mom on this day. Saturday is Susan's visiting day. She visits her relatives and friends on this day. Sunday is Susan's play day. She plays games on this day.
11.
It is Susan's dairy , because : "so I came home earlier than usual and had a lot of time for SWIMMING." AS Wednesday is Susan's swimming day and the girl goes for swim , it is Susan's dairy.