句型转换。 1. He knows a little about Chinese
题型：句型转换
问题：
句型转换。
1. He knows a little about Chinese. (对划线部分提问)
_____ _____ does he know about 
Chinese?
2. Jack's mother gives him ten dollars every day. (对划线部分提问)
_____ _____ _____ Jack's mother give him every day?
3. There is an apple in the picture. (对划线部分提问)
How _____ _____ _____ there in the picture?