Ответ: 1. If you want to do it yourself, I will make the birthday cake
2. I will put the food in the oven, when your friends arrive for the party
3. What a big pizza! You will not be able to eat it all, unless i help you!
4. Dont worry! I will ring you, when i get home from the restaurant.
5. You will be hungry, unless you eat somesing.
6. I will be really glad, when this lesson is finished