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1. There are lots of things you might do. __________________, you might learn to play musical instrument.
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2. People once thought of fungi as plants; _________________, biologists now classify them as a separate kingdom.
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3. Walking is the most popular form of ______ activity as eighty million people are recreational or casual walkers, including those who _____ occasionally.
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4. The university will conduct a survey on new courses for freshmen.
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5. A: That’s too bad. We’ve come to a dead end.
B:_____________________________ .
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6. People around the small Us____ town of Bates City, Missouri, seemed puzzled ____ the ___men who came to dig ___glass jars.
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7. The financial and ___turmoil of ___ last two years _____a completely new environment for business.
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8. Tortoises and some bears can slow their normal life _____________ so much that they can live through the winter months without eating, in a state of ____________.
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9. Non-native plant species have taken a major hold in this country. ___________, in the past ten years, more habitats have probably been lost to exotic plants than to land development.
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10. Ten people were injured, ____four trainee policemen and two Americans, but all ___released from hospital ___48 hours.
