knowledge
                    - His brain was just anyone’s with so rich experiences.
 - One learns a knowledge by making mistakes and ______ them.
 - To be qualified for the job , _________
 - To help a friend solve the problem troubling him,.
 - We can get knowledge ___ books. [ ]
 - Knowledge practice.[ ]
 - Our knowledge of computers __________ growing all the time.
 - It is true that knowledge _______ rather than being taught.
 - __________knowledge comes from practice is known to all.