This is my computer.(变为否定句)
This is my computer.(变为否定句)
This is my mother 变为否定句
This is my shirt.(变为一般否定句)
My computer is working.改为否定句
My father is fine 变为否定句
This is my sister(变为复数句)
I think this computer is the cheapest.(改为否定句)
this is the computer romm 用否定句怎么说
This is the computer room.改成否定句 怎么改
This is a book(变为否定句)
this is his computer game.改为否定句this----- ------his computer
this is my ruler改成否定句