IgraduatedfromcollegetwentyyearsagoandI

来源：语文精选馆 2.16W

I graduated from college twenty years ago and I ____________ as an English teacher in this middle school ever since.

A．worked B．have been working

C．had worked D．was working

考查时态：句意：20年前我从大学毕业，自从那时起，我就在这个中学做英语老师。可知做英语老师是自从我从大学毕业到现在，用现在完成进行时。选B。