1. If you (be) the president, what you (do) to help the environment?
2. They get sick so often. If they (exercise) more, they (be) healthier.
3. If l (have) one million US dollars, I (build) more parks in our city.
4. Ngoc's mother is unhappy. If Ngoc (tidy) her room every day, her mother (not be) so upset.
5. There isn't a garden at our house. If there (be) we (grow) vegetables. If 2 chuyển thành unless
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