Kate paid him in advance,which_____ was a mistake.
He reads newspapers every day to keep himself _______ about what's going on in the world.
He wrote a letter to me _______ that his trip to Japan had been put off because of the bad weather.
_______ a satisfactory operation, the doctor believed the patient would recover from his illness very soon.
_______ a satisfactory operation, the patient recovered from illness very quickly.
.When I came in, I saw Dr. Li _______ a patient.