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：学生作业学帮网编辑：学帮网时间：2024/05/14 07:07:37

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

All of the students are working very hard at their lessons

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