问题补充:
They suggested that the professor just now chairman of the meeting.
A. referring to;was made
B. referring to;be made
C. referred to;be made
D. referred to;was made
答案:
A. referring to;was made
B. referring to;be made
(答案→)C. referred to;be made
D. referred to;was made
解析:C 考察非谓语动词和虚拟语气。句义:他们建议刚才所提到的那位教授成为会议的主席。Referred to是过去分词短语修饰名词the professor,suggest后面接宾语从句要使用should+动词原形,should可以省略。