I know where it is.(改为否定句)
I know where it is.(改为否定句)
I know your backpack is black 改为否定句
I don't know the where your house is.(改为同义句)
改为否定句I think it is inyour sister is
I think it is quiet street 改为否定句
i think it is interesting.改为否定句
I think it is interesting(如何改为否定句)?
I think it is a cat 改为否定句
I know her sister(改为疑问句和否定句)
I know his name.(改为否定句)
i know her name .(改为否定句)
I know the answer 改为否定句