Complete the task. Mike is an eco-helper. He is giving some recommendations for the people who care about nature. Choose the correct modal verbs to complete his statements.

Choose the correct option.

You [should|shouldn't ] plant more trees and flowers in your area.

You [should|have] reduce using plastic things in everyday life.

You[mustn't|must] drive a car inside the national park. It's forbidden.

You [don't have to|should] use only eco-friendly products.