【虚拟语气1.HeistalkingsomuchaboutAmericaasifhe()thereAhadbeenBhasbeenCwasDhasgone2.Whatshouldwedoifit()tomorrow?AshouldsnowBwouldsnowCsnowDwillsnow3.You()suchaseriousmistakeifyouhadfollowedhisadvice.】

　　虚拟语气

　　1.HeistalkingsomuchaboutAmericaasifhe()there

　　AhadbeenBhasbeenCwasDhasgone

　　2.Whatshouldwedoifit()tomorrow?

　　AshouldsnowBwouldsnowCsnowDwillsnow

　　3.You()suchaseriousmistakeifyouhadfollowedhisadvice.

　　Ashouldn'thavemadeBmightnothavemade

　　4.Ifitwerenotforthefactthatyou()ill,Iwouldaskyoutodothisrightnow.

　　AwereBare

　　5.evenif,eventhough引导的让步状语从句怎么弄?