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?