问题

Long time no see. Haven’t you graduated from college—Yes. I _______________Social Science for 4 years in Shanghai.
A:study
B:have studied
C:studied
D:am studying;
B:have studied
C:studied
D:am studying;
正确答案是:
同类题型
He _____ articles for our wall-newspaper these three years, and he _____ about forty articles
How many employees are there in thecompany—We have500people working there.
g hefor many people, with medicine price rising ________.
What are you going to do tomorrow afternoon—I’m not sure. I have a meeting.