I decide to leave the company next month,where I for exactly three years.
问题描述：
I decide to leave the company next month,where I for exactly three years.
I decide to leave the company next month,where I _______ for exactly three years.
A．work B．is working C．will be working D．will have worked
答
选D,因为句中说“我下个月要离开这家公司了”,到下个月离开的时候“我就在这家公司工作了三年了”,因此用将来完成时.