Each boy and each girl who______in finishing the task since May 1st will win 2000 dollars, if they could really make it.

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问题 Each boy and each girl who______in finishing the task since May 1st will win 2000 dollars, if they could really make it.

选项 A、have persisted
B、persisted
C、persist
D、has persisted

答案D

解析 根据who引导的定语从句中的时间状语since May 1st可知,从句应用现在完成时,首先排除选项B、C。另外,“each/every+单数名词+and+each/every+单数名词”作主语时,谓语动词应用单数形式。故选D。
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本试题收录于: 英语题库普高专升本分类
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