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It has colourful feather and a big peak. It______ be a parrot.
must
It has a big shell to protect itself. It _____ be a mammal.
can't
It has a blow hole to breath, it _____ be a dolphin.
must
It has two legs. It _____ be an arachnid.
can't
It's a bird and it swims. It_____ be a penguin.
must
It's a small pet and it doesn't bark. It_____ be a cat.
must
It's a mammal that flies. It _____ be bat.
must
