请问,Mrs.white hecame a teacher in 1985.she ___for twenty years by next summer.
Mrs.white hecame a teacher in 1985.she ___ for twenty years by next summer.
a.will teach b.would have taught c.has been teaching
d.will have been teaching
我选的是d,但是答案是d 因为 我觉得是虚拟语气.到下个夏天就20年了.还没到,与现实相反.答案让我不能理解的是 她教学20年 又不是被动 为什么要加been呢?应该是will have taught才对啊,
为什么要用将来完成进行时呢？将来时不就行了？
人气：121 ℃ 时间：2020-04-09 12:39:10
解答
虚拟是与事实相反.到下个夏天就20年了.这是事实,不是虚拟.只是还未到来.所以用将来时.同时,这句话讲的是个过程,她到明年夏天会一直在教书,所以用将来完成进行时.will have been teaching.
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