按要求改写句子。
1. My brother is going to be a violinist. ( 对画线部分提问）
_____ is _____ brother _____ _____ _____?
2. The camera is very old. We can't use the camera. (合为一句)
The camera is _____ _____ for us _____ use.
3. We need three bananas to make a banana milk shake. ( 对画线部分提问）
_____ _____ _____ _____ you need to make a banana milk shake?
4. Vera thought Eliza played the most beautiful piano piece last week. (同上)
_____ did Vera think _____ the most beautiful piano piece last week?
5. Kelly won the prize for the speech contest. (同上)
_____ prize did Kelly _____?
