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Solitary birds must be more _______ than those in a flock, constantly interrupting valuable feeding time to scan for predators.
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Mowry believes that effective politics demands a synthesis of the practical and the visionary. He has never had much trouble coming up with (i)_______. But these days, he also thinks he has become better at relating that larger picture directly to (ii)_______ policies.
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Most children overgeneralize the rule that to form a plural you add "s" —saying "foots," for example, instead of "feet"—but they become grammatically more _______ as they get older.
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It is Alice Hoffman' s achievement as a novelist that we do not wonder at the fabulous in her work but accept what seems _______ as an idiom of the affective extremes and nuances that are simply facts of life.
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Each runner in a race was from one of three countries: $$A$$, $$B$$, or $$C$$. The number of runners from Country $$A$$ was 2 times the number of runners from Country $$B$$, and the number of runners from Country $$C$$ was 3 times the number of runners from Country $$A$$. The average (arithmetic mean) finishing times of the runners from countries $$A$$, $$B$$, and $$C$$ were 81 minutes, 84 minutes, and 90 minutes, respectively. What was the average finishing time of all the runners in the race?
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