Present Continuous vs. Present Simple

Just a minute. I can't hear you. I (listen) to the radio.

3. Can you help me with my homework? I don’t understand/I’m not understanding this problem.

He (do) his homework now.

John has/is having a great time on holiday. Look at these pictures on his blog!

A lot of people (speak) Spanish in the USA.

1. I (not know) how to play tennis, but I’d like to learn.

I'm happy today. Everything (go) well.

That's the book I (read) at the moment.

2. I’m very sorry, I can’t remember/I’m not remembering your name.

Sue can’t hear/ isn’t hearing you at the moment. She has/is having a shower.

My brother has/is having so many hobbies! At the moment, he takes/is taking photos in the garden.

I’m afraid you can’t borrow that book. It belongs/It is belonging to my sister and she reads/is reading it at the moment.

I don’t want to /I’m not wanting to go out tonight. I’m too tired!

You (know) my friend Cindy.

I (like) the new sports hall.

Wake up! The teacher (ask) you a question.

On this space shuttle mission, they (study) the effects of gravity in space.