Future tenses. Will or be going to? Beginners

A: We don’t have any bread.  B: Really? I _____

some from the shop then.

A: Why do you need to borrow my suitcase?  B: Because I _____

 my mother in Scotland next month.

A: I’m really cold.  B: I

 _____ the heating on.

A: What are your plans after you leave university?  B: I

 _____ in a hospital in Africa.

A: All the lights have gone off!  B: Don't worry. I _____

 a look.

A: Why are you carrying your laptop?  B: I _____

 some homework on the train.

A: I can't find my keys.  B: I _____ 

 you to look for them.

A: Did you remember to buy the tickets?  B: Oh no, I forgot! I _____

 them online now.

If you take a look at this chart, you can see that the economy

 _____ worse very soon.

I don't think he _____ come tonight.  B: But he says he _____ come.

 I bought this paint because I _____ the kitchen.  B: I'm sure it _____ fantastic.

A: We don’t have any bread.  B: I know. I ______ some. I took some money from your purse.