( )a Barbay duck is a cross(杂种)between a wild duck and an or
There is a duck between two duks.
There is duck in front of two ducks.There is a duck between
[英语谜语]What is the difference between a duck?
one day,a mother Duck and her two little Duck
like a duck to
the baby duck is called a ( )
There is a mother duck. She la
a there duck is the lake in
which animal is the tallest,a cat ,a duck or a tiger?_______
if it looks like a duck walks like a duck and quacks like a
a zebra horse(an animal that is a cross between a zebra and
英语翻译There is a little red hen.She lives with a pig,a duck an