there need to be这里的need为什么不加s

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• 先行词是the way,place,time,reason关系副、代词何时可省?为什么这句要加where:We've all used thermometers to measure temperature but sometimes we need to measure temperature in places WHERE you can't put a thermometer.语法说,先行词是the way,表示方式,可用that（可省）或in which来引导一个定语从句.如果先行词是时 间或原因,也可用that（可省）或when或why来引导定语从句.如：（1）This was the reason that/why he was late yesterday.（2）This is the last time that I shall give you a lesson.这句是道改错题,还要加上where 是什么原因?没表达清楚，我的意思是that代替关系副词，那么我这道改错题为何还要加
• 2011湖北高考英语卷中的两道单选题.虽然没有财富值,22.Giving up my job to go back to full-time education was a big _________,but now I know it was the best decision I ever made.A.project B.commitment C.competition D.ambition这题为什么选B 30.When asked about their opinions about the schoolmaster,many teachers would prefer to see him step aside _______ younger men.A.in terms of B.in need of C.in favor of D.in praise of这题为什么选C
• 问下关于这两个句子的语法问题.The author,taking the reader on a chronological journey through her native land,skillfully combining history and legend with fragments of fiction.2 Modern bluegrass songs,telling of love and despair and celebrating mountain beauty,reflect the genre's rural origins.第一句的taking.land,是作为插入语吗?为什么这里用taking开头做动词就错了（答案写的这句话这部分是错误的改成who takes the reader.）而第二句话telling 开头的插入语整句话就是对了的.而且为什么第一句话后半句要用combining而不是combine,这里难道不属于主语+分词的错误码?
• 第一问：Then man【tried out】 several 【means】 to have those people get across what he said.请问这里的tried out和means分别是什么意思?=第二问：It's obvious that her refusing to see a doctor has ____(led in/resulted in) her illness woresening.请问led in没有导致,造成的意思吗?为什么答案是result in?=第三问：It's nice to see millions who had nothing but 【a record of】 misery and hungry _____（have/to have) the chance to improve their life and livig conditions.①请解释黑框中的a record of应该怎么理解.②请问为何横线处只能用have?我脑子
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