U1: Present simple or Present continuous?

It's 11am and my dad is at home. He ... lunch.

• prepares
• prepare
• is preparing

I spend the whole morning at school so I .... TV at this time.

• never watch
• am never watching
• never watches

Kelly sometimes .... to work

• is driving
• drive
• drives

Quiet down! Mom .... the baby to sleep!

• is putting
• puts
• putting

Dogs .... bugs. 

• aren't eating
• don't eat
• doesn't eat

Marcia usually .... late on Saturdays.

• wake up
• wakes up
• is waking up

My grandmother .... for a walk every day.

• goes
• go
• is going

My mom is not at home right now. She .... at the gym.

• works out
• work out
• is working out

Look! The cheese .... down the hill!

• rolls
• is rolling
• roll

Michael always .... on time for class.

• arrives
• is arriving
• arrive