Bythemiddleofthe21stcentury,thevastmajorityoftheworld’spopulationwillbelivingincities_______inthecountry.
Accordingtotheshipping_____itwillbeimpossibleforustoshipthegoodsinOctober.()
Amanflowntoatimezonedifferentby10hourswill________eightdaystoreadjusthispalmsweat.
ThetheoryoflanguageunderlyingtheGrammar-TranslationMethodwasderivedfrom_____Linguistics.