根据原文内容,下列说法不正确的一项是()
ThePortraitofALadyisgenerallyconsideredtobe()masterpiece,whichdescribesthelifejourneyofanAmerican()inaEuropeanculturalenvironment.
Sincethepremiumvarieswiththescopeof____extrapremiumisforbuyer'saccount,shouldadditionalsiskecovered?()
Youngerchildrenarecurious________howthingswork,andmanyofthemwanttotakeaparteverythingwithintheirreach.
Thereisalwaysareadymarket____SewingMachines,providedtheyare___goodqualityandcompetitiveinprice.