one evening there was a big dance at the hotel in our town.
本句子是个there be 结构,所以该had为be,另外,there be符合就近原则,所以它的主语为a big dance,因此had 改为was
one evening there was a big dance at the hotel in our town.
本句子是个there be 结构,所以该had为be,另外,there be符合就近原则,所以它的主语为a big dance,因此had 改为was