Ifyouareunabletocometotheinterview,for______reasonyoushouldinformusaheadoftime.

Somedoctorsclaimthatavegetabledietissuperior_________ameatdiet.

Theyknewtheyhadto________actiontodealwiththeplaguebeforeitspreadtootherareas.

Whenwereturnedfromourvacation,ournextdoorneighborswere______anewgaragebuilt.

沉默表明他对这个话题不感兴趣。