this is pen?怎么改成一般疑问句
this is pen?怎么改成一般疑问句
this is a pen改成一般疑问句
The pen is red改成一般疑问句怎么改
My is black pen改成一般疑问句?
that is a pen.改成一般疑问句
this is my pen.改一般疑问句
This is a pen.改为一般疑问句
This pen is mine.改成否定句,一般疑问句,肯定回答,否定回答
This is his pen 改成一般疑问句 并做出肯定和否定两种回答
This is my little sister改成一般疑问句,怎么修改?
This dress is good.改成一般疑问句怎么该
Tony's pen pal is froru America该怎么改成一般疑问句