1) If people ______ more trees, the air will be cleaner. a) plant b) will plant c) plating d) planted 2) The sea will be polluted if people ______ throwing plastic bottles into it. a) keeps b) keep c) kept d) will keep 3) A tourist won’t visit the island if it _________ dirty and polluted. a) look b) looks c) looking d) looked 4) If a plastic bottle ______ recycled, it will end up in the landfill. a) don't get b) doesn't get c) didn't get d) won't get 5) Will a student learn much about the environment if he ______ to the Eco Club? a) doesn't join b) don't join c) isn't joining d) didn't join 6) Unless shops ______ plastic bags, customers will bring their own bags. a) offer b) offers c) is offering d) offered 7) If a tree is cut down, an animal ______ lose its home. a) will b) won't c) doesn't d) does 8) Won’t the air be fresher if a city ______ more parks? a) build b) builds c) is building d) built 9) If we ______ too much energy at home, our electricity bills will be very high, and the environment ______ more polluted. a) wasted / became b) waste / will become c) will waste / becomes d) waste / became 10) Unless everyone ______ part in cleaning up the beaches, tourists won’t come, and the local economy ______ badly affected. a) take / will be b) takes / will be c) will take / is d) taking / will be 11) Unless we reduce the use of cars in big cities, the air ______ cleaner, and people’s health ______ worse. a) won’t be / will become b) isn’t / becomes c) will be / won’t become d) wouldn’t be / becomes 12) People won’t be able to breathe fresh air ______ we plant more trees and stop cutting down forests. a) if b) unless c) because d) when 

First Conditional with "if" or "unless"

Imprimir
Incorporar

Ranking

Estilo visual

Opções

Alterar modelo

Restaurar arquivo salvo automaticamente: ?