I won't go to the party （uless inviting）和（without be invited

答案是错的,应该是I won't go to the party unless invited.
这是状语从名的省略,补充完整是I won't go to the party unless I am invited.
第二个要改成without being invited也可.without 是介词,后面用动名词作宾语,不过应是被动概念,所以用being done的形式.