按要求改写句子。

1. The school trip is on September 9. (就画线部分提问)

    _____________ _____________ the school trip?

2. They have an Art Festival each year. (就画线部分提问)

    _____________ do they _____________ each year?

3. My brother is seven years old. (就画线部分提问)

    _____________ _____________ is your brother?

4. Today is April 12th. (就画线部分提问)

    _____________ the _____________ today?

5. What's your age? (改写为为同义句)

    _____________ _____________ are you?

征用土地实行三级审批制度，即国务院、省级人民政府和市县级人民政府。( )