Do you know the name of the play in the hall now?
A. to be put on
B. being put on
C. put on
D. putting on
网友回答
A. to be put on
(答案→)B. being put on
C. put on
D. putting on
解析：这题考查动名词的用法：介词of后面是动名词做宾语，the play是动名词的逻辑主语，因为the play和put on是被动关系，所以选B。句意是：你知道大厅正在上演的戏的名字吗？选B。