They say that the doctor has made a serious mistake.2/23They say that the doctor has made a serious mistake.The doctor is said that he has made a serious mistake.It is said that the doctor has been made a serious mistake.The doctor is said to have made a serious mistake.The doctor is said to make a serious mistake.Giải thíchĐáp án đúng: C Dịch: Người ta nói rằng bác sĩ đã mắc một lỗi rất nghiệm trọng.