2008年度第2回実用英語技能検定1級 (8)The company was discovered to have been(8) keeping two sets of accounts for years in an attempt to evade taxes. 1obliviously 2surreptitiously 3ascetically 4exponentially
surreptitious:done secretely or quickly because you do not want other ppl to notice. exponential:using a small number or letter slightly above and to the right of a number or letter that shows how many times a quantity is to be multiplied by itself.