Question

 Mary has always been doing well in that company. Tomorrow she will go on a trip to Europe, _______ .

A. all expenses paid                                         

B. all expenses paying

C. paying all expenses                                      

D. paid all expenses

Answer 1

【解析】选A。分析句子结构可知，所填部分是独立主格结构，因为expenses与pay之间是被动关系，故用过去分词paid。