GRE Text Completion: ETS Official Practice 150-GRE OP150:填空 - 5AJORI8G0U736G5LO

It is a sad but just indictment of some high school history textbooks that they frequently report as (i)____________ claims that historians hotly debate or that are even completely (ii)____________ by (iii)____________ primary sources. A. factual B. resolved C. dubious D. controversial E. corroborated F. incomplete G. sensational H. contradicted I. reliable