早教吧 育儿知识 作业答案 考试题库 百科 知识分享

英语(219:15:12)Hebegantodohishomeworkwhenhismothercameback.(同义句)

题目详情
英语 (2 19:15:12)
He began to do his homework when his mother came back.(同义句)
▼优质解答
答案和解析
He didn't begin to do his homework untill his mother came back.