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

It’s required that the students______ mobile phones in their school, so seldom ______ them using one.

Mr. Wu, can I have a look at the scores?—Well, you are a senior, so I_____ hardly remind you that the scores are not open to students.

He didn’t go to school yesterday, _______he— ______, he didn’t feel well.

We can communicate people in every part of the world the Internet

－Mylittle brother was really_______ at the _______ news.