–Are those _____?No,they aren’t.They’re _____.A.sheep; cows B.sheep; cow C.sheeps; cow D.sheeps; cows

问题描述:

–Are those _____?No,they aren’t.They’re _____.
A.sheep; cows B.sheep; cow C.sheeps; cow D.sheeps; cows

D

A.sheep单复数形式一致,cows为cow的复数形式