Выбери will или am/is/are going to.

1. Look at those dark clouds! It is going to rain.
2. I think I will be a pilot when I grow up.
3. What are you going to do tomorrow? - I am going to visit my grandparents.
4. Don't worry! The lesson isn't going to be difficult.
5. I have bought a map. We are going to travel about the country.