连词成句。
1. used, I, to, a, lot, spend, time, (in), games, with, Playing, my, of, friends
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2. she, spend, money, a, of, lot, used, to, books, buying, (in)
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3. they, on, books, spend, much, money, used, to
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4. English, time, on, spend, a, used, lot, of, they, to
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