大学英语语法专项练习题及答案20200722130722

大学英语语法专项练习题及答案一、时态1.BytheendofAprilPeterhereforthreemonths.A.willhavestayedB.willstayC.staysD.hasstayed2.Imawfullysorry,butIhadnoalternative.Isimply_____whatIdid.A.oughttohavedoneB.havetodoC.hadtodoD.mustdo3.We________ourbreakfastwhenanoldmancametothedoor.A.justhavehadB.havejusthadC.justhadD.hadjusthad4.Eversincethefamilymovedtothesuburbslastyear,they________betterhealth.A.cou...