A-A+
The distinguished professor was invited to pre
问题详情
The distinguished professor was invited to preside______the conference on behalf of the chairman.
A．on
B．in
C．over
D．for
参考答案
正确答案：C
解析：这里是考词组搭配。动词词组preside over/at：be the president of the meeting，chair(v．)主持会议。
