问题补充:
The question at tomorrow’s meeting is of great importance.
A. to discuss
B. being discussed
C. to be discussed
D. discussed
答案:
A. to discuss
B. being discussed
(答案→)C. to be discussed
D. discussed
解析:考查非谓语动词。根据语境可知问题即将被讨论,故用不定式的被动形式作定语。句意:明天即将在会议上被讨论的问题非常重要。