题目内容：

用所给单词的适当形式填空。（5分）

1.Last year my father ____(feed) more than 100 pigs.

2.Let us talk about the ____(different) between the twins.

3.Tony and I are best friends. We ____(usual) learn a lot from each other.

4.There ____(be) many sheep on the hill last year.

5.Doing eye exercises____(help) you to be in good health.