问题

Your colleague is speaking English withfluency.—It’s no wonder.She ____ inthe UK for a year as a visiting professor
A:having buried
B:buried
C:burying
D:has been working
B:buried
C:burying
D:has been working
正确答案是:
同类题型
It has rained for a day. What timely rain! _____________.
belief thatimprovements in health care will lead to a stronger, more prosperous economy.
Who is making so much noise in the garden— ______ the children
What are those —__________ are cakes.
For environmental reasons,we aswell take these waste products and have them recycled.