问题补充：
John received an invitation to dinner,and with his work ,he gladly accepted it.
A. finished
B. finishing
C. having finished
D. was finished
答案：
(答案→)A. finished
B. finishing
C. having finished
D. was finished
解析：“with + 复合结构”在句中表状态或说明背景情况，常作伴随、方式、原因、条件等状语，该结构由“名词(代词)＋不定式、形容词、副词、介词短语，动词+ing形式，动词+ed形式等”构成。“with +名词 + 动词+ed形式”强调名词是动词+ed动作的承受者或动作已经发生。his work与finish是被动关系，用过去分词作宾语补足语，表示工作被完成了。
