My uncle is sixty now.He _began__ to drive a truck when he _was__ 20 years old in 1960.Five years later,he _went__ to work in a factory.He _wore__thick clothes and glasses over his eyes__to make_ ladders in No.3 Machine shop. After 4 years' study,He _became__ a doctor,and then he __worked_ in the Children's Hospital .In April 2000,He retired from the ***.Now he often_mends__ TV sets for his friends at home,and sometimes he _likes__ reading something _interesting___.【用work; interest; mend; become; like; begin; go; be; wear; make】