B Once there was a little girl in a village. She spent summers on her grandfather’s farm. The year she was four, she knew some ducks. The ducks were white with orange feet. They lived in a little wooden house near the road. The little girl liked these ducks very much. Every day they walked down the road to the pond (池塘) . The ducks went into the water. The little girl sat on the bank and saw them swimming in the pond. The little girl talked to the ducks and they quacked (嘎嘎叫) back. Then one day the ducks were gone. No one would say anything about them. The little girl was afraid to ask where they were. One night everyone sat down for dinner. The food looked a little like ducks . The girl didn’t want to eat. Can you guess why? 51. The ducks were _____________.