当前位置:在线题库搜索>[单选题]After a brief ________ by the chairman, the speaker began her lecture on how to make a good impression.( )的答案是什么?

问题:

[单选题]After a brief ________ by the chairman, the speaker began her lecture on how to make a good impression.( )

A、test
B、communication
C、introduction
D、courage

参考答案: C