Nobody but doctors or nurses and those by Dr Hu to enter the patient’s room.
问题描述：
Nobody but doctors or nurses and those by Dr Hu to enter the patient’s room.
Nobody but doctors or nurses and those invited by Dr Hu____________ to enter the patient’s room.
A.is allowed B.are allowed
答
【Nobody 主语】but doctors or nurses and those invited by Dr Hu_【A_】__ to enter the patient’s room.A.is allowed B.are allowed
nobody/no one+but/except+n(pl)+单数谓语动词.
原句结构可调整为如下,以便于理
Nobody __is allowed___ to enter the patient’s room 【but doctors or nurses and those invited by Dr Hu.】 A.is allowed B.are allowed