The children went home from the grammar school their lessons for the day.A. finishing B

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. had been finished

答案：

A. finishing

(答案→)B. finished

C. had finished

D. had been finished

解析：句意：学生的一天的课结束了，从语法学校回家了。因为逗号前面是个句子，中间没有连词，所以后面不是句子，而是独立主格结构“逻辑主语+非谓语动词”，因为lesson和finish是被动关系，用过去分词，选B。