--Did you enjoy yourself yesterday?--Yes. As you saw party went on in most pleasant atm

问题补充：

--Did you enjoy yourself yesterday?

--Yes. As you saw , party went on in most pleasant atmosphere.

A. the; a

B. the; the

C. a; the

D. a; a

答案：

(答案→)A. the; a

B. the; the

C. a; the

D. a; a

解析：本题是冠词的考查。party是两个人都知道的，用定冠词。后一个空的关键是理解most的含义，在句子中指“非常”，相当于very。