No conclusion ______about whether to t ear down the old buil

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No conclusion ______about whether to t ear down the old buildings for a theme p ark until several discussions have been made.A.will be reached B.is reached C.is bei ng reached D.had been reached

No conclusion ______about whether to tear down the old buildings for a theme park until several
discussions have been made.
A.will be reached B.is reached C.is being reached D.had been reached
选项是D.
根据until several discussions have been made.的【先前】没有【做出决定】,属于【更早的过去】.
再问：不对
再答： No conclusion _______ about whether to tear down the old buildings for a theme park until several discussions have been held. A. will be reached B. is reached C. is being reached D. had been reached
【解析】选A。考查时态。句意：关于是否拆除旧建筑物建主题公园直到几次讨论后才会得出结论。根据句意可知应该使用一般将来时的被动语态。
再问：情分析一下句子成分还有解释一下主将从现
再答：句子结构为no(not)...until...，No conclusion _________about whether to tear down the old buildings for a theme park是主句，until several discussions have been made是从句，根据句意和主将从现根据句意和的原则选A。
根据句意和时态首先排除CD项，再主将从现。
再问：主将从现的现是一般现在时还是所有的现在时，包括现在完成时
再答：条件状语从句，从句用现在完成时和一般现在时的用法是一样的，主句用一般将来时。表示对将发生的事情的推论：除非先举行几次讨论，否则将旧楼拆了改造成主题公园的问题是不会达成什么结论的。（对未来会不会达成结论的推测）

这里从句中用了现在完成时，意思上和一般现在时是一样的，但是它提供了一种强调，强调了several discussions have been made这个动作必须先完成，然后才有conclusion这样的一个先后顺序。

No conclusion ______about whether to t ear down the old buil No conclusion ______about whether to tear down the old build No conclusion_______about whether to tear down the old build no consequence __ about whether to tear down the old buildin the old man could not decide whether to spend the money or t 宾语从句I don't know _ to visit the old man.A whether B if It doesn't matter much whether Mary comes to the party or no For___lack of space,they had to pull down the old building t an old woman fell down to the ground and couldn't move 以she arrive to the conclusion和reach the conclusion哪个正确 Don't jump to a conclusion. ______about the economic crisis that he decided to look for