题目内容：

句子改错 I didn't my homework yesterday.He wait for you three hours ago
还有句型转换 1.The young popmeers are carrying water for jack,[用often改写] 2.My mother often washes at home.[用last week 改写]

优质解答

I didn't do my homework yesterday.（忘了谓语）
He waited for you three hours ago.(用过去时)
The young popmeers often carry water for jack.
My mother washed at home last week.