题目内容
12.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 |
分析 除了医生、护士和那些收到胡教授邀请的人外,谁也不允许进入病房.
解答 答案是B.本题考查被主谓一致和过去分词做定语.根据句意和结构判断,but doctors,nurses or those_____ by Dr.Hu 是介词短语,句中的主语是Nobody,谓语动词be allowed 应该用单数形式is allowed,所以排除A和B; ____ by Dr Hu 充当those的定语,谓语动词不能做定语,故排除B和C;由此判断答案选择D.
点评 本题考查主谓一致和过去分词做定语;首先根据结构判断谓语还是非谓语,然后找准主语判断动词单复数的选用.
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