按括号内的要求改写下列句子。

1. I went to the aquarium with my mother last Sunday.(改为一般疑问句)

2. This girl is so young that she can't drive the car. (用too...to...改为简单句)

3. Sam was born in Beijing. (对划线部分提问)

4. My grandmother hiccupped for two weeks. (对划线部分提问)

5. Mozart started to write music when he was four years old. (改为简单句)