A.—What's this?

—It's a duck.

B. —What's this?

—It's a pig.

C.—What's this?

—It's a cow.

D.—What's this?

—It's a chick.

⑴My father rode a horse last Sunday.{#blank#}1{#/blank#}      A.

⑵Don't eat too much chocolate.{#blank#}2{#/blank#}           B.

⑶Jack is easy to be angry.{#blank#}3{#/blank#}              C.

⑷Your sun glasses are cool.{#blank#}4{#/blank#}              D.

⑸That young man is my uncle.{#blank#}5{#/blank#}            E.