Let us see how dictionaries are made and how the editors _______ definitions.
B
本题考查词义辨析。arriveat：获得(结果);达到(目的)。
Ifyouareunabletocometotheinterview,for______reasonyoushouldinformusaheadoftime.
Theyknewtheyhadto________actiontodealwiththeplaguebeforeitspreadtootherareas.