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?
1. How long has she been studying in this school?
2. He's so frightened that he can't move.
3. How often does Lily go camping?
4. going camping
5. Did; just finish