To our excitement，two of students a success after three years hard work.A. scores；score

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A. scores；scored
B. score；lost
C. scores；made
(答案→)D. score；scored
解析：score前有具体数字时，score不加s；score作动词意思是“获胜；成功；得分”。句意：使我们兴奋的是，在经过三年的努力学习之后，有四十个学生获得了成功。