在职研究生英语（二）
阅读短文，选出填入空格最合适的一项： As jobs change quickl…
第 6 题单选题模拟题中等
阅读短文，选出填入空格最合适的一项：
As jobs change quickly, more companies are paying for their workers to learn new skills. Some send their staff to short courses at training centers; others let employees learn online at their own pace. ___ is cheaper and more flexible, but it requires a high degree of self-discipline, which is why some managers still prefer face-to-face courses. A growing number of firms now combine the two, using online lessons for theory and classroom sessions for practice.
语篇衔接完形填空逻辑关系词