22. A new medicine **has been discovered** by the doctors to cure it since last month.
23. Your sister's **working** very hard to be accepted to the university, isn't she?
24. Jack's money **was stolen** in the train.
25. These days, your grandfather **can't sleep** well, can he?
![○]~}}{》||||^:/》(っっا](https://services.porsan.app/files//Student/Stu20446757.jpg)
