问题补充:
----Have you worked in this company for a long time?
---- Yes, since I from the college.
A. has graduated
B. graduates
C. had graduated
D. graduated
答案:
A. has graduated
B. graduates
C. had graduated
(答案→)D. graduated
解析:本题考查时态。此处是省略句, 补充完整应是:I have worked in this company since I from the college。所选答案的时态应与前面的现在完成时have worked相呼应。