问题
选择题
.
--- I hear you__________at Smith’s.
--- Yes, I__________there for about three months.
A．work; had been working
B．worked; was working
C．are working; have been working
D．worked; have worked
答案
答案：C
考查时态。根据语境——我听说你在史密斯办公室工作。——是的，我在那儿工作了大约3个月。可知用现在进行时和现在完成进行时，选C。