That is a UFO.改成否定句
That is a UFO.改成否定句
That is a green quilt.改成否定句
This is a UFO改为否定句
That is my aunt.改成否定句
That is her backpack 改成否定句
that is a white ruler 改成否定句 can you spell it 改成同
This is a pagoda.改成否定句
This is a dog改成否定句
Is this a dictionary?改成否定句
she is a teacher 改成否定句
there is a book 改成否定句
There is something wrong with that computer.改成否定句