连词成句。
1.are , picnic , going , to , have , we , a (.)
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2.some , comes , sister , Tom’s , come , dogs , in , in , too , and(,.)
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3.they , are , playing , basketball , but , starts , snow , to , it(.)
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4.they , a , great , are , birthday , having , party(.)
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5.of , window , I , out , the , looking , am(.)
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