last month l visited the People's Great Hall,in which many important meetings----every year.Awere held Bwas held C are held D will be held

分类: 作业答案 • 2022-02-16 11:24:23

问题描述：

last month l visited the People's Great Hall,in which many important meetings----every year.
Awere held Bwas held C are held D will be held

答

C 主语是meetings,复数,谓语也用复数,后面的every year说明是一般情况,所以用are