Câu điều kiện loại 1- Unit 7- grade 8

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If the air in a City________ (get) very polluted, it can make people’s eyes burn.

gets

If we dump all sorts of Chemicals into rivers, we________ (not be) able to swim in them in the future.

won't be

Many wildlife habitats will be destroyed if people________ (keep) polluting the environment.

keep

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