牙医给我开了一些止痛药来缓解牙痛。

The dentist is ___prescribing some painkillers for my toothache.

医生给他开了一些抗生素。

The doctor is ___prescribing some antibiotics for him.

医生建议他每天散步30分钟以改善健康。

The doctor ___prescribed a 30-minute daily walk to improve his health.