27. Regulations must be examined and discussed ___________ before they are announced. (A) thoroughness (B) thorough (C) thoroughly (D) more thorough

36. Louis T. Wright, a surgeon, developed ingenious orthopedic braces, ___________, and supervised the first use of Aureomycin on human patient. (A) treating skull fractures that he pioneered in (B) pioneered in treating skull fractures (C) which pioneered in treating skull fractures (D) he has a pioneer in the treatment of skull fractures