高等继续教育 / 专科英语I
正确率:100%
题型描述: 单选题
They _ _ _ _ _ _ two major snowstorms so far this winter.
A. had had
B. had
C. have had
D. have
They _ _ _ _ _ _ two major snowstorms so far this winter.
A. had had
B. had
C. have had
D. have
参考答案: