题目内容
It is impossible for anyone _____ these photographs before, because Mr. Newman had them developed today.
A. having seen B. to have seen C. to see D. seeing
B
练习册系列答案
相关题目
题目内容
It is impossible for anyone _____ these photographs before, because Mr. Newman had them developed today.
A. having seen B. to have seen C. to see D. seeing
B