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They made laws that protect birds. They taught young people, helped pass laws that protect animals and so on. They tried to make the world better. Both B and C.
They made laws that protect birds. They taught young people, helped pass laws that protect animals and so on. They tried to make the world better. Both B and
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It has reduced the costs of medical treatment. It has helped save the lives of most patients. It has encouraged doctors to do more heart surgeries. It have helped educate people about the prevention of heart disease.
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They made laws that protect birds. They taught young people, helped pass laws that protect animals and so on. They tried to make the world better. Both B and
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help helping, having helped being helped
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worked; for helped; to worked; on helped; with
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They made laws that protect birds. They taught young people, helped pass laws that protect animals and so on. They tried to make the world better. Both B and C.
The telephone has helped to save people from illness and fire. The telephone has helped to prevent wars and conflicts. The telephone has made the modern city neither better nor worse. The telephone has had positive as well as negative effects on us.
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