1．Liu Na has studied English for five years．（就划线部分提问）

________ ________ has Liu Na studied English?

2．Wang Hua is similar to her father．（改为同义句）

Wang Hua ________ ________ her father．

3．I like music．I can sing along with the music．（合并为一句）

I like music ________ I can sing along with．

4．She has already gone to Ji Nan．（改为否定句）

She ________ ________ to Ji Nan________．

5．Tom's never laughed at others．（改为反意疑问句）

Tom's never laughed at others，________ ________?