答案：C

题目分析：考查句子结构。短语从句we had looked forward to修饰先行词school sports meeting。第一个横线上填的是谓语动词，根据下文的was说明是过去时，故C正确。第二空后是名词短语fine weather用such.故C正确。

点评：本题要看清楚主语Our school sports meeting以及定语从句we had looked forward to；明确第一个横线上所填的是谓语动词。So后面接形容词，副词；such后面接名词短语。