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

正确答案是：

同类题型

Tom is 8-year-old boy.

31．_____Tom has no interest in piano, there is no point pushing him to learn it

My sister is only two years old, and I have to _____her on Sunday.

Seeing the _____ dog, the little boy stood there with a _____ expression on his face.

.Three-fourths of the surface of the earth_________sea