高中英语Unit3Inventorsandinventions单元要点归纳提升课件 人教版选修8 17页

单元要点归纳提升 distinguish seize stable product file associate bear dial criterion criteria merciful merciless mercy convenient convenience conveniently caution cautious cautiously abrupt abruptly practical practice impractical expectation expect innocent innocence recognition recognize freezing freeze frozen occasionally occasional occasion merry merrily call up now and then set about dive into set out (to do) hang on out of order get through ring back ring off seize the current chance It will be a long time before and I'll give you a wonderful surprise Discussed absorbed broken changed named