问题
选择题
He devoted himself ________ to his research work, having no time to play.
A．exactly
B．gratefully
C． loosely
D．entirely
答案
答案：D
题目分析：考查副词辨析：A. exactly确切地，B. gratefully感激地C. loosely松散地，D. entirely完全地，句意是：他全身心的投入到研究工作中，没时间玩。选D。
点评：对于不同的副词要放在上下文语境中进行辨析，还有识记副词的含义很重要。