句型转换。
1. I like riding bikes.（改为同义句）
_____ _____ is riding bikes.
2. The stamp on the desk is Ben's.（对画线部分提问）
_____ _____ is Ben's?
3. This is a flower stamp.（改为复数句子）
_____ are _____ stamps.
4. They don't have the same hobbies.（改为同义句）
They have _____ _____.
5. I don't like flowers.（用Lily作主语改写句子）
Lily _____ _____ flowers.
