一、从括号中选择合适的单词,补全句子或对话。
1. Uncle Wang has a lot of ______ (duck/ducks) on the farm.
2. ______ (Is/Are) the green beans long?
3. What are ______ (these/those) over there?
4. — Are these carrots? — ______ (Yes/No), they are.
5. — How many ______ (animals/animal) do you have? — Eighteen.

1. ducks 2. Are 3. those 4. Yes 5. animals