单选题There _____ a number&nbsp

问题补充：

单选题There_____anumberofpeopleatthesquareinthemorning,thenumber_____over1,000.A.is, areB.is, isC.are, areD.are, is

答案：

D解析考查固定短语。A number of +名词，谓语动词取决于名词，the number of作主语，谓语动词用单数。故选D。