---How about Christmas evening party?---I should say it was success.A. a;aB. the;aC. a;/

问题补充：

---How about Christmas evening party?

---I should say it was success.

A. a;a

B. the;a

C. a;/

D. the;/

答案：

A. a;a

(答案→)B. the;a

C. a;/

D. the;/

解析：句意：--圣诞晚会开的怎样？--我认为开的非常成功。这里圣诞晚会指的是双方都知道的晚会，故用定冠词；统指“成功”，为抽象名词，单数形式指“一件成功的事或人”，复数形式successes指“多件成功的事或人”。这里指一件成功的事情，故用不定冠词。应选B。