---Did you attend the meeting?
1个回答

供参考^&^

第一个应该选A.

虚拟语气,主句用would + have done,从句用had done

第二个

In fact I have found it easy to read it.

前面的it是形式宾语,真正的宾语是动词不定式to read it,相当于

In fact I have found to read it easily.

found 和 read是两个动词,之间应该用to连接.

第三个

the idea of the reason “原因的想法”,of前面的idea才是先行词,要用that引导的同位语从句.