◎ 题干
Nobody but doctors, nurses or those ______ by Dr. Hu ______ to enter the patient's room.
[     ]
A. invited; are allowed                  
B. are invited; are allowed
C. are invited; is allowed                
D. invited; is allowed
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Nobody but doctors, nurses or those ______ by Dr. Hu ______ to enter the patient's room.[ ]A. invited; are allowedB. are invited; are allowedC. are invit…”主要考查了你对  【过去分词】【一般现在时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。