问题
Your colleague is speaking English with fluency.—It’s no wonder．She ____ in the UK for a year as a visiting professor
A:worked
B:has worked
C:had worked
D:has been working
B:has worked
C:had worked
D:has been working
正确答案是：
同类题型
Bob failed in the exam again. — He ____ it; he never worked hard. [ ]
Without the leadership of our Party and our Government, we ____ these splendid results.[ ]
Parents ________ good conditions ________ us. We should thank them.
Harry is feeling uncomfortable. He _______too much at the party last night.