Present Simple, Present Continuous, Present Perfect

I ___ crazy about drawing.

___ Ron written the letter?

He ___ collect stamps.

She ___ to the Drama club every Saturday.

___ you do experiments in your school lab?

Dave _____ a poem now.

His friends ____ skiing at the moment.

___ you dancing now?

She has just ___ an interesting story.

We ___ never been to the USA.

She ________ her homework yet.

Her grandparents have never ____ computer games.