... introductionto investigate (sthg)an investigation aThe most useful 2000 words in Englishan abilityThese are the most common 2000 words in English. They are the most useful words for your study...
... worked (D) who have been worked 130.Sales of the home appliance products were highest during 2000 and declined during _______ years. (A) next (B) following (C) after (D) subsequent ...