,Unit 10 Ive had this bike for three years.,Part 6 Self Check 自我检测,综合提升,scarf,clear,railway,certain,among,yard,honest,regard,consider,century,according,bear,own,truthful,crayon,especially,toy,hold,maker,hometown,opposite,board,soft,camera,memory,D,B,C,B,B,B,D,A,C,A,B,A,B,C,B,D,F,C,G,B,To go to school,In 1983,It was so great and wise,Their families were too poor,Children all over China,could go to school for free,