我的朋友认识那个男孩.用英文翻译过来,在改成否定句与一般疑问句.谢谢.

问题描述:

我的朋友认识那个男孩.用英文翻译过来,在改成否定句与一般疑问句.谢谢.

My friend knows that boy
My frienddoesn't know that boy
Does my friend know that boy?