2. Work in pairs. Discuss which of the things in 1 we should or should not do to become ecotourists. Use the expressions below to help you.

Useful expressions: ... should (not) / ought (not) to / do sth. Example: We should not litter on the beach or the street. One of the things ... can / should (not) do / is (to) do sth. Example: One of the things we should not do is to litter on the beach or the street. I suggest that ... (should / should not) do sth. Example: I suggest that we should not litter on the beach or the street. It will (be better / good ...) / do / avoid doing sth. Example: It will be better for the environment if we avoid littering on the beach or the street.