句型转换。
1. She has been studying in this school for 3 years.(对画线部分提问)
2. He's very frightened. He can't move. (合并为一句)
3. Lily sometimes goes camping.(对画线部分提问)
4. What are you doing for vacation? (用go camping回答)
I'm______ ______for vacation.
5. I just finished my model plane.(改为一般疑问句)
______ you______ ______ your model plane?