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短文改错练习（1）
Rowena and Billy Wrangler are model high school
students . They study hard . They do extreme well on 76．
achievement tests . And next year , Rowena will attending 77．
Harvard University . Billy , her younger brother ,
Rowena and Billy Wrangler are model high school
students . They study hard . They do extreme well on 76．
achievement tests . And next year , Rowena will attending 77．
Harvard University . Billy , her younger brother ,
