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1. Over the past five years, I have ________ many adventurous people.
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2. Many of these people ________ probably explorers in a former life.
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3. To be an explorer, you ________ to have a sense of adventure.
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4. A lot of intellectual curiosity ________ also necessary.
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5. Some explorers, though, ________ been exploiters as well.
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6. Some ________ confused the sense of personal discovery with ownership.
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7. It ________ important that the explorer respect the land and cultures that he or she explores.
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8. Much has been ________ about explorers and their discoveries.
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9. Explorers learn much in their travels, but that ________ mean they know everything.
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10. What an explorer ________ when he or she discovers a new place reveals much about the explorer's values.
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