The doctor (1)/ advised the patient (2)/ that walk for at least one hour (3)/ everyday in the morning. (4)/ No error (5)

Explanation

that walk की जगह to walk का प्रयोग होगा। ध्यान दे : Direct: The doctor said to the patient, "take medicine in time." Indirect: The doctor advised the patient to take medicine in time. or The doctor advised the patient that take medicine in time. (x)