the meeting-----yesterday is very important A held B being held C.to be held D.holding

问题描述:

the meeting-----yesterday is very important A held B being held C.to be held D.holding

过去分词做后置定语。
在昨天被举行的会议很重要
A
即会议很重要
进一步说明这个很重要
的会议在昨天举行

正确答案A held = that was held 过去分词作定语,表示被动的,已完成的
而B being held 正被举行
C.to be held 即将被举行
D.holding 现在分词表主动

很高兴为您
A
希望我的回答对您有帮助,祝您学习进步,工作顺心。^_^

A held 过去分词作定语 表示被动 昨天举行的会议很重要

A
held是过去分词作定语
可以看成the meeting(was held)yesterday is very important

a

A.
过去分词做后置定语。
在昨天举行的会议非常重要。