两道高一英语,速度~谢谢,要理由
TheteachersaidthatColumbus_____Americain1492
A.discoveredB.foundC.haddiscoveredD.hadfound
Aftertheexamination,myteacthertoldmethatfailure_____themotherofsuccess
A.wasB.isC.beD.been
谢谢,别忘理由