急主谓一致
1._______ofwaterwasleftonthemirror.
AOnlylittledropsBOnlyalittledropsCOnlyfewdropsDOnlyafewdropsof
BOnlyalittledrops可是我认为中心词应该是drops,所以DOnlyafewdropsof而且后面的应该是WERE,是不是我的思路错了?