Nobody but the doctors ____________（允许）to enter the patient"s room.
问题描述：
Nobody but the doctors ____________（允许）to enter the patient"s room.
答
Nobody but the doctors 【is allowed】 to enter the patient's room.
这里谓语动词要与nobody保持一致,比如：
Nobody but you likes tomato soup.
除了你没人喜爱番茄汤.