连词成句。
【小题1】in, it, river, is, a, (.)(缩写形式)
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【小题2】a, horse, run, can, (?)
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【小题3】in, box, what, is, the, (?)(缩写形式)
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【小题4】fish, does, a, where, live, (?)
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【小题5】is, what, this, (?)
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