The children went home from the grammar school, their lessons for the day.
A. finishing
B. finished
C. had finished
D. had been finished
网友回答
A. finishing
(答案→)B. finished
C. had finished
D. had been finished
解析：此处考查独立主格结构。如选D项，their lessons前应加连词，所以D项不对；又由于their lessons与finish之间为动宾关系，所以A、C两项不对。故选B。