SAT,急.谢谢!答案满意可追加悬赏分

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/15 05:05:00

SAT,急.谢谢!答案满意可追加悬赏分
the second-year students at this college have envoled into insightful,critical thinkers (from an inexperiences and uncertaun teenager just a year befor)----原题,括号为题目中划线部分的题.答案是from the inexperiences and uncertaun teenagers they were just a year ago.
这句话from前面不是有一个谓语动词have了吗?,from后面的they were 又是谓语?
这不就是run-on了吗?谢谢!

they were 定语从句修饰uncertain teenagers.
再问：可是有定语从句引导词吗？？？
再答： (that) they were... 省略掉了
再问：可是如果不省略的话就是from the inexperiences and uncertaun teenagers that they were just a year ago. they 应该表示一种状态，可是from就表示一种变化了呀。。还有一题： (if there had been) a power failure,the hospital will run on electricity from its own generators,which can operate for 200 hours. 答案：Should there be 谢谢！悬赏分提了~
再答：没看懂. they 指的是students,怎么会成状态了？ If there had been 是过去事实相反的虚拟， if sb. had done, sb. would have done.... should there be = if there should be.. 含义：万一停电

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