问题补充:
The meeting now is of great importance.
A. being held
B. to be held
C. held
D. is being held
答案:
(答案→)A. being held
B. to be held
C. held
D. is being held
解析:考查非谓语动词。句意“现在正在开的会议具有很重要的意义。”根据now可知,是正在进行,而meeting和hold之间是动宾关系,故用被动,相当于which is being held。故选A。