The key to exercise solutions in chapter 8.2 - Journeys for the textbook Navigate Elementary A2 - Coursebook with authors Jake Hughes and Katie Wood from Oxford University Press
Question
Work with a partner. Use your own ideas to complete the sentences with have to, don't have to, should or shouldn't.
Compare your ideas with another pair.
Answer
a)
You shouldn't drink a lot of coffee on long plane journeys.
You have to drive on the left side of the road in Japan.
You don't have to wear a seat belt for the whole journey on a plane.
You should wear a helmet when riding a bike.
You should get up and walk around on long train journeys.