How much do you know about the platypus?

    The platypus is __1__ very unusual mammal.  It __2__ external ears, __3__ feet are webbed, and it has thick fur.  A broad tail and a fleshy bill __4__ to the platypus's odd appearance.  Platypuses use __5__ bills to catch water worms and insects.  Besides having a bill like a ducks, a platypus is __6__ like a bird than a mammal in another important way.  Like a duck, the platypus __7__ eggs.  The mother deposits __8__ in a nest, __9__ she has dug in a riverbank.  If you get to Australia, you may see a platypus making its nest __10__ a burrow.

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