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 _____?