问题
选择题
All of them felt it necessary that they______ __the meeting
A．attend
B．would have attended
C．attended
D．were to attend
答案
答案：A
题目分析：句意：他们都觉得他们有必要参加会议。feel it+形容词+that…it是形式宾语，that引导的是真正的宾语从句，it is necessary that 主语+should do这里应该是虚拟语气，should可以省略。故选A。