Completar frases Polar bearsVersión en línea Polar bear fill in the blanks por Maddisyn Wirth 1 bears are actually black , not white . They can swim for days time . They be very . A grizzly - polar bear actually exist . polar can weigh as much men . bears have evolved so that they need to drink free . polar don't poop . Polar bears were born , and deaf . They ringed and seals . They sleep in pits in the snow . to about - years .
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