Задание 5. Predictions. Speaking.Check Module 5. Английский язык. 7 класс. Ю.Е. Ваулина ГДЗ

Ребята, как правильно расставить слова в задании?
Put the verbs in brackets into the future simple or the present simple.
 1 If people.......................... (invent) new fuel, cars ............. (not/pollute) the air.
2      When John ........................... (со we............................. (go) to the park
3      If he.................. (have) a lot of money, he .......................... (buy) a computer.
4      If you................... (exercise) more, you .............................. (feel) better.
5      If we ............ (be) lucky, we ............. (go) on a holiday to the moon one day.