Present Simple vs. Present Progressive

I ____ to school now.

Mary _____ tennis on Monday.

Look! Mary and her brother John _____ arts and crafts. Wow.

My grandparents ______ TV.

John isn't at home now. He ______ with his friends.

They ____ the dog for a walk every morning.

_____ rollerblading?

Andy sometimes ____ books. 

Cats ___ mice. 

Every day his grandfather _____ for a walk.