1. | If protected from damage, solar cells work well and _____ for a very long time. |
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2. | They _____ before they finally came to a conclusion. |
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3. | What's wrong? It seems _____ you have seen a ghost. |
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4. | A refractory is any nonmetallic material or object that can withstand high temperatures _____ becoming soft. |
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6. | A: Peter, can we meet at Seven o'clock tonight? B: _____ |
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7. | A: What did you eat last night, Ellen? B: _____ |
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8. | The activities of the Tennessee Valley Authority have aided the economic rehabilitation of the Tennessee Valley, _____ of some 40,000 square miles. |
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9. | _____ dreary it is to be somebody! |
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10. | A: Andy, did you like the movie yesterday? B: _____ |
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