相关Wecannotfigureout的文学知识

问题详情： Wecannotfigureout______quiteanumberofinsects,birds,andanimalsaredyingout.A.that  B.as       C.why      D.when【回答】C。考查宾语从句。figureout为及物动词短语，故其后跟的是宾语从...