国家开放大学 / 综合英语(3)
正确率:100%
It is really quite extraordinary that we should have been at the same college without _ _ _ _ _ before.
A.met
B.being met
C.having met
D. having been met
A.met
B.being met
C.having met
D. having been met
参考答案:
佳题速递: