Упражнение 2. Заполните пропуски will или be going to

Examle: I think there will only be online schools in the future.
1. I think there  only be online schools in the future.
2. I hope the earth  be cleaner in 2100.
3. Sit down and I  get you a drink.
4. We  have a two week holiday starting tomorrow.
5. Watch out! You  fall over.
помогите срочно пжжжжж​