Fill in the gaps. Choose one of three options below

I want to become a writer so i 1. _______ literature at university this autumn. I think I 2._________ History too. My friend bob 3.________ in the UK after school because he has already entered a university in the USA. He 4._____ an engineer. Maybe he 5.______ for NASA in the future

1. A) will study B) am going study C) study
2. A) will study B) am going to study C) study
3. A) is not going to stay B) will not be staying C) doesn't stay
4. A) will B) is going to be C) will be
5. A) is working B) is going to work C) will work