Question

【题目】Giving up my job to go back to full-time education was a big __________，but now I know it was the best decision I ever made.

A. project

B. commitment

C. competition

D. ambition

Answer 1

【答案】B

【解析】句意:放弃工作，回去接受专职教育是一项很大的投入，但现在我知道那是我做过的最好的决定。commitment“投人”，符合句意。project“项目”；competition“竞争，比赛”；ambition“志向，抱负”。