英语翻译： 他们认识已经两个月了. ________________________ for two months .
问题描述：
英语翻译： 他们认识已经两个月了. ________________________ for two months .
答
They have known each other for two months.
英语翻译： 他们认识已经两个月了. ________________________ for two months .
They have known each other for two months.