The company’s training plan was designed to help the employees to improve their

游客2023-12-27  14

问题 The company’s training plan was designed to help the employees to improve their work habits and______.

选项 A、proficiency
B、sufficiency
C、insufficiency
D、efficiency

答案 D

解析 efficiency效率;proficiency精通,熟练;sufficiency足够;insufficiency不足。
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