GRE Text Completion: ETS Fundamental-GRE填空ETS基础 - 6FHZVM41UU97SJ15X

Although nothing could be further from the truth, freight railroads have been (i)____________ of (ii)____________ the nation's shift from oil to coal by charging exorbitant fees to transport coal. A. accused B. accelerating C. conscious D. impeding E. guilty F. contributing to