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

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：句意：--你昨天玩的很愉快吗？--是的，就像你看见的，这个聚会在一个非常愉快的气氛中进行。第一空填the，特指“昨天的聚会”，第二空填a，a most pleasant atmosphere一个非常愉快的气氛，如果是the most pleasant atmosphere最愉快的气氛，但是这句话没有一个范围，所以不是最高级，所以选A。