河南成教 / 大学英语2
正确率:100%
6、Much _ _ _ _ _ _ been said about the problem but nothing _ _ _ _ _ _ _ been done so far
A. has, had
B. had, has
C. had, had
D. have, have
A. has, had
B. had, has
C. had, had
D. have, have
参考答案:
佳题速递: