Una conversación usando presente simple y presente progresivoayuda por favor?

Hi Sam, ¿how are you today?

- Hey!

I'm ok.

What about you?

- I'm great!

I think I'm passing my English exam - Really?

And what about that book you've got?

- Oh, it's my mathematic's book, I'm studying for tomorrow's test - Is it easy?

Do you like maths?

- Well, this unit is very easy and I love maths.

What have you got there, Joe?

- Oh, you saw it!

It's a mistery novel I'm reading - Is it interesting?

- Yeah, it's pretty good.

If you want I'll lend it to you when I finish it - Am, ok, thanks.

- Gosh!

You look really tired, too much studying, right?

- Yeah, I'm planning to go on vacation after all this exams because right now I'm freaking out!

- You know what?

I'm having pizza for dinner, would you like to come?

- Yeah, sure.

I need a break.

Oh, and after that we can watch a film they're putting on TV tonight - Do you mean the comedy film?

- Yes, they say it's a good one.

- Ok.

Oh, outside here it's really cold, I'm freezing.

- Well, actually I'm boiling hot.

Anyway, I'll see you tonight.

Bye! - Bye!