Ex.4Use the prompts and How long to make a question: 1. astronomers / look for Pluto’s moons? 2. archeologists / hope to find Atlantis? 3. scientists / use satellites to discover new reefs? 4. physicists / investigate the origin of the universe? 5. scientists / observe Vesuvius? 6. biologists / try to find new species of mammals? 7. archeologists / excavate the palace in Guatemala? 8. doctors / search for a cure for HIV?

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