We wouldn’t have had to be in such a hurry if we had known the meeting .
A. was to put off
B. was to be put off
C. put off
D. had put off
网友回答
A. was to put off
(答案→)B. was to be put off
C. put off
D. had put off
解析：此题考查使用be+不定表将来意义的能力。本句整体为与过去相反的虚拟条件句，know后所跟从句表示“会议将被推迟”这一真实情况。句意为：如果我们早知道会议将被推迟，就不会那么慌了。