题目：
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?
答案：
1. When is
2. What, have
3. How old
4. What's, date
5. How old
(答案不唯一)
