英语!时态和语态!
1.He will have learned English for eight years by the time he ( )from the university next year.
A.will graduate B.will have graduated C.graduates D.is to graduate
2.Why don't you put the meat in the fridge It will ( )fresh for several days.
A.be stayed B.stay C.be staying D.have stayed
3.The old couple have been married for 40 years ,and neve once ( ) with each other.
A.they had quarreled B.they have quarreled C.have they quarreled
D.had they quarreled