连词成句
1. boys, playing, now, are, in, playground, the, basketball (.)
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2. is, the, between, Class One, Class Two, game, and (.)
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3. in, the, see, we, park, can, many, people, old (.)
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4. their, busy, are, they, work, with (,)
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5. young, look, healthy, they, and (.)
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