The children went home from the grammar school their lessons for the day.A. finishingB. f

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：根据句子结构判断，此处为独立主格结构，且功课是被完成，因此用过去分词。