摘要:The number of people invited fifty. but a number of them absent for different reasons. A.were,was B.was,was C.was,were D.were,were 解析:考查a number of与the number of 意义和语法辨析.the number of后接可数名词作主语时.谓语动词用单数,a number of修饰可数名词作主语时.谓语动词用复数. 答案:C

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