Conditionals Open the brackets using the verbs in the proper form!
1. If we …. (to use) bikes instead of cars, the level of air pollution …(to decrease).
2. If the sun …. (to shine), we …. (to go) on picnic.
3. If he …(to plant) at least a tree, he… (to help) our environment.
4. If my friends … (to come), I ….(to be) very happy.
5. If she … (to earn) a lot of money, she… (to fly) to New York.
Объяснение:
1) do used will decrease
2)do shine will go
3) do plant will help
4) do came will be
5) do earn will fly