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    Babies sleep 16 to 18 hours in every 24 hours,and they sleep less they grow older. A.while B.as C.when D.after 【查看更多】

     

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    Babies sleep 16 to 18 hours in every 24 hours,and they sleep less 　　they grow older.

    A、while　　　 B、as　　 C、when　　　 D、after

     

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