题目

The nunther of the students who took part in the competition       500，but only a small number of them       chosen。 A was；were    B were；was    C．were；were   D．w；was   答案： A The nunther of +可数名词复数作主语时，谓语动词用单数形式；a nunther of可数名词复数作主语时，谓语动词用复数形式，所以答案选A。

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