University is ______ most worthwhile time of discovery and learning, and it is also ______very enjoyable and valuable experience for every one of us.
A.a；a
B.a；/
C./；a
D.a；he
网友回答
A解析第一空用不定冠词 a. 与most连用, most相当于 very, 只有在特定范围中表示 “最……” 才可以用最高级。experience 用作“经历”之意时，为可数名词，要与不定冠词连用。