Platypus is a strange animal that lays eggs but        milk        its young.

A．feeds；to      B．feeds；for         C．fed；at        D．fed；on

Platypus is a strange animal that lays eggs but        milk        its young．

        A．feeds；to    B．feeds；for     C．fed；at     D．fed；on

Platypus is a strange animal that lays eggs but _____ milk _____ its young．

     A．feeds；to           B．feeds；for           C．fed；at               D．fed；on

Platypus is a strange animal that lays eggs but       milk       its young．

1. A.
   feeds；to
2. B.
   feeds；for
3. C.
   fed；at
4. D.
   fed；on