By next year,Roger will...here for ten years.A.live.B.be living C.have been living.D.be goingtolive请帮我选正确答案并找出原因

问题描述:

By next year,Roger will...here for ten years.A.live.B.be living C.have been living.D.be goingtolive
请帮我选正确答案并找出原因

C.have been livingby+时间点,同完成时态或完成进行时连用,并且由后面的for ten years推断,动作一直持续了十年,因此要用完成进行时态.此句中的时间点next year 为将来时间,故要用将来完成进行时(will have been livi...