未知题型 In some countries, _____ is called "equality" does not really mean equal rights for all people.(A) which (C) that(B) what (D) one

未知题型 ____ quite recently, most mothers in Britain did not take paid work outside the home.(A) Before (C) From(B) Until (D) Since

未知题型 Certain programs work better for some _____ for others.(A) and (B) than (C) as (D) but