按要求完成句子（每空1分，共10分）。
She has finished her homework.  （改为一般疑问句）
_______she _______ her homework?
There is a new student in our class.   (改为复数句)
There ________ some new ________ in our class.
My favourite subject is Chinese.    （改为同义句）
I _______ Chinese _______.
Jim has been in Shanghai for two days.        （对画线部分提问）
______ _______ has Jim been in Shanghai?
She was very tired because she walked twenty miles. （对画线部分提问）
______ _______ she very tired?