the students are working very hard at their lessons改为同义句什么 什么 the student are working at th

来源：学生学帮网 编辑：学帮网 时间：2024/05/28 20:18:21

the students are working very hard at their lessons改为同义句什么 什么 the student are working at th

( How hard ) the student are working at their lessons .

All of the students are working very hard at their lessons