The research is so designed that once _____ nothing can be done to change it.A beginsB having begunC beginingD begun_____ in thought,he almost ran into the car in front of him.A LosingB Having lostC LostD To loseIf you go to Xi'an,you will find the p

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The research is so designed that once _____ nothing can be done to change it.A beginsB having begunC beginingD begun_____ in thought,he almost ran into the car in front of him.A LosingB Having lostC LostD To loseIf you go to Xi'an,you will find the p

The research is so designed that once _____ nothing can be done to change it.A beginsB having begunC beginingD begun_____ in thought,he almost ran into the car in front of him.A LosingB Having lostC LostD To loseIf you go to Xi'an,you will find the p
The research is so designed that once _____ nothing can be done to change it.
A begins
B having begun
C begining
D begun
_____ in thought,he almost ran into the car in front of him.
A Losing
B Having lost
C Lost
D To lose
If you go to Xi'an,you will find the palaces there more magnificent than commonly _____
A supposing
B supposed
C to suppose
D suppose
Jane and John still remember that it was _____,their parents,who encouraged them to continue the education
A whose
B who
C they
D whom
By this time next year,you _____ a vocabulary of 800 words.
A.will have
B.will have had
C.have
D.have had

The research is so designed that once _____ nothing can be done to change it.A beginsB having begunC beginingD begun_____ in thought,he almost ran into the car in front of him.A LosingB Having lostC LostD To loseIf you go to Xi'an,you will find the p
1.D once后省略了it is,补充完整应该是The research is so designed that once it is _____ nothing can be done to change it.这样可以明显地看出it指代The research,与begin构成被动关系,故选D.
2.C be lost in thought 这是一个固定表达,意为“陷入沉思”.而该题中用作状语,仅保留过去分词即可.
3.B 该句意为“如果你去西安,你会发现那里的宫殿比人们通常认为的更有意义”.宫殿与suppose构成被动关系,即人认为宫殿有意义,宫殿被认为有意义.
4.C ...it was _____,their parents,who ...这是一个强调句型,强调主语,只不过被强调的部分they,their parents是一个同位语.
5.B By this time next year这一时间状语提示我们应该用将来完成式“will have done” .

d虚拟语气，时态退后c介词短语作状语be lost in thought 陷入沉思 b想像是过去的动作，用过去式 d 蒙的 b 这是将来时，截止时间是将来，而且对于将来来说，你那是已经掌握了800个单词了，所以用将来完成时。

1.D so...that 连用 ONCE BEGUN 是省略句
2.C Lost in thought是陷入沉思。一般用来作状语 你就这样记住就好啦
3.B 与 magnificent 并列，它是形容词 所以用 supposed
过去分词做形容词
4.C 是强调句 IT WAS....THAT/WHO .....人的时候任选一个

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1.D so...that 连用 ONCE BEGUN 是省略句
2.C Lost in thought是陷入沉思。一般用来作状语 你就这样记住就好啦
3.B 与 magnificent 并列，它是形容词 所以用 supposed
过去分词做形容词
4.C 是强调句 IT WAS....THAT/WHO .....人的时候任选一个
物的话只能用 THAT
5。B到明年的那个时候，你将已经有800个词汇量
是将来完成时

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D
C
B
C
D

The research is so designed that once ___ nothing can be done to change it.A.begins B.having begun C.beginning D.begun(答案是D,为什么?) The research is so designed that once ____ nothingcan be done to change it.A.begins B.havingbegun C.beginning D.begun要怎么选 The research is so designed that once _______ nothing can be done to change it.A.begins B.having begunC.beginning D.begun The research is so designed that once _______nothing can be done to change it.A. begins B. having begun C. beginning D. begun求详解.waiting Eg:The research is so designed that once_____ nothing can be done to change it.A begins Bhaving begun C begining D begun.Why choose The research is so designed that once ________ nothing can be done to change it.A.begins B.having begun C.beginning D.begun The research is so designed that once begun nothing can be done to change The research is so ------- that it leaves no part of the issue unexamined.comprehensiverewardingsporadiceconomicalproblematical 应该选择哪个 15、he_____himself with video games,so he had no time________A、 enjoyed B、 hurt C、 busied D、bought16、__we have to admit that man’s research into space is still in the ____________A、 initial B、childish C、 endless D、subjective The research is so designed that once ___（begin ）nothing can be done to change it 正确形式填空 一段英文求高手帮忙翻译谢谢~Pharmaceutical companies are focused on getting new targeted therapies approved and marketed as quickly as possible. And the pace of research surrounding these drugs is staggering. There are so many exciting d 求助一道非谓语动词的选择题The research is so designed that once _____ nothing can be done to change it .A.begins B .having begun C.beginning D.begun我认为应该选C,因为从“研究开始”这种说法来看research和begin应该 英语翻译There has been considerable debate over the last decade or so on the effectiveness of construction project planning.However,there is remarkably little research into what construction project planners actually do.The research reported here 英语翻译There has been considerable debate over the last decade or so on the effectiveness of construction project planning.However,there is remarkably little research into what construction project planners actually do.The research reported here Is this the research center____the foreigners visited last week?A; what B; which C; where D;the one is this research center ___ the guests visited yesterday.A that B which C where D the one 1、John said he'd been working in the office for an hour,＿was true.A、he B、this C、which D、who2、＿in thought,he sat still in the sofa.A、losing B、having lost C、lost D、to lose3、The research is so designed that once＿nothing can b Science, so the story goes, is a meticulously built edifice. Discoveries balance on ones that prece请大侠翻译.Science, so the story goes, is a meticulously built edifice. Discoveries balance on ones that preceded them. Research is stimulated by