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
Out of______ for the wounded dog, Alice decided totake the abandoned animal home for treatment.
Linda was washing the clothes sheheard the news.
Jenny works hard as usual and it has___．She got the first in the final examagain．
He’s never seen to eat so muchfood,______________ —-No, he always eats alittle.