题目内容

.Nobody but doctors or nurses and those ________ by Dr. Hu

________ to enter the patient's room.

A.invited;is allowed B.are invited;are allowed

C.being invited;allowed D.invited;are allowed

 

A

【解析】答案 A [nobody在句子中作主语,谓语动词用单数,invited为动词的过去分词作后置定语。]

 

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