Definition: If something works, it is effective or successful. Level: B1
她增加销售的计划成功了。
Her plan to increase sales ___worked.
药片会在几分钟内开始生效。
The tablets will start to ___work in a few minutes.
我换了几次车以欺骗警察。这效果很好。
I changed cars several times to fool the police. It ___worked very well.
