从方框中选择合适的选项补全对话(有一项多余)。
A. How many horses are there?
B. Welcome to my farm!
C. Are they ducks?
D. Yes, they are.
E. What are these?
F. No, they aren’t.
Uncle Sam: 【小题1】
Anna: Thank you. 【小题2】
Uncle Sam: Guess!
Anna: 【小题3】
Uncle Sam: No, they are hens.
Anna: What about those? Are they horses?
Uncle Sam: 【小题4】
Anna: 【小题5】
Uncle Sam: Mmm... Fifteen.