Question

He studies ____ to pass the exam.

A．hard enough

B．hardly enough

C．enough hard

D．enough hardly

Answer 1

A

考查hard和enough的用法。句意“他很努力地学习，为了提高考试。”hard既可作形容词“困难的，坚硬的”；也可作副词“努力地，猛烈地”。而hardly是副词“几乎不”，表示否定。排除B、D；enough修饰形容词和副词要放在他们后面，排除C。故选A。