She has arrived怎么改为一般疑问句并做肯定回答

She has arrived怎么改为一般疑问句并做肯定回答 怎么把 she has a backtball 改为一般疑问句 she has a brother怎么改为复数句? She has short black hair怎么改为同义句? she has a little rabbit 改为一般疑问句怎么改 The train has already arrived如何改为否定句 She has arrived in London for two days.怎么改?请给位老师给出答案,（最好有点解释） Do you know( )she has arrived?可以填that吗 she has just arrived ------USA.用from还是 in? She arrived at the factory early yesterday(改为同义句) she has a comuter 怎么改否定句为什么要has改为have 请问是She has arrived there just now ?还是She arrived there just now? 请说明理由 she has short hair.改为复数（ ）short ( ) 空格里添一单词 she has a fever 改为一般疑问句 SHE HAS A PEN改为疑问句 She has black hair.改为同义句 she has a headache.改为一般疑问句 She has a tv改为一般疑问句