问题补充:
The children went home from the grammar school, their lessons for the day.
A. finishing)
B. finished
C. had finished
D. were finished
答案:
A. finishing)
(答案→)B. finished
C. had finished
D. were finished
解析:因lessons与动词finish之间为被动关系,故要用过去分词。其实,their lessons finished for the day为独立主格结构。