885-section-B15,B24,C24的比较

B15, The increased popularity and availability of televisions has led to the decline of regional dialects,

B24, Through the years, the exquisitely subtle flavors and superb richness of Kenyan coffee have attracted an international following of discerning consumers.

C24, The endurance and consistency of baseball star Lou Gehrig, known as “The Iron Horse,” are legendary.

三个句子中主语结构相似,尤其是B15和C24,为什么有的谓语是单数,有的是复数,盼指教.

顶一下