Present Simple, Present Continuous, Present perfect

Classes in our school ... at eight o'clock in the morning.

It ... in autumn very often.

They ... cartoons at the moment.

Tom ... the museum right now.

We ... already ... this book.

We ... to the seaside every summer.

 Listen! My sister ... the piano.

Bill and Terry ... just ... back from library.

We ... near the city centre.

I usually live in England, but now I ... in Kyiv.

She ... the letter yet.