I have known how to serve the customers better after the training.
                    举一反三
- After taking the training course, they have performed their duties much _____ than before. A: well B: better
 - 中国大学MOOC: I want to serve ________ a physical training coach after my graduation from college.
 - Mark learnt how to deal with difficult customers as ____________ his training.
 - After the staff training, the company need some ______ system to test the effects of training.
 - After _____ him better , I regretted _____ him unfairly . A: getting to know ; to judge B: getting to know ; to have judged C: getting to have known; judging D: getting to know; having judged
 
