28.This is my father's farm(農(nóng)場).There are fifteen hens and sixteen ducks.There are two dogs and one cat.There are ten cows and twenty pigs.There are thirteen sheep(綿羊). (1)There are
dogs. A.one B.three C.two (2)There are
pigs. A.nineteen B.twenty C.eighteen (3)There are
ducks. A.sixteen B.fifteen C.fourteen (4)There are
sheep. A.fifteen B.thirteen C.twelve (5)There are _____ cows and _______ cat.