Write the correct form of the verb (Will / be going to).
1.- Why is he learning Spanish?
- Hetravel to Spain.
2.- Why do you want so many oranges?
- I make an orange juice for my party next Wednesday.
3.- What do you want to buy for your birthday?
- I buy cake.
4.- Oh! I haven't got enough money to pay!
- Don't worry. I lend you some.