Ladies and gentlemen, I have the great privilege introducing our speaker for tonight.
A. in
B. of
C. about
D. on
网友回答
A. in
(答案→)B. of
C. about
D. on
解析：考查介词用法。本句中的介词短语of introducing our speaker for tonight是解释名词privulege的内容的。本句是一个同位语用法。句意：先生们，女士们。很荣幸有这样的权利向大家介绍今天晚上的发言人。故B正确。