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英语高考9.There are some health problems that,when ____in time,c

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英语高考9.There are some health problems that,when ____in time,can become bagger ones later on.
A.not treated B,not being treated C.not to be treated D.not having been treated
9.There are some health problems that, when _C___in time, can become bagger ones later on.
A.not treated B,not being treated C.not to be treated D.not having been treated


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再问: 其实答案是A
再答: 我是觉得后面有个later on;所以应该有将来的意思;所以用了to be treated
再问: 但真的是A。。。
再答: 状语从句省略主+BE,=when they are not treadted... 译:有一些如不及时治疗以后会变得更糟糕的健康问题。 评:将when改成if是不是更好些。 析:如果用not being treated, 则还原成:when they are not being treated...是正在进行的被动语态,不当。When not having been treated =when they are not having been treated ..., 没有这样的时态语态结构。 注:when有时有“在。。。的情况下”的意思,相当于,if,也可以译作如果