想请教下这个英文句子,IN which 在英文小说目录中 放在句首,语法书也没有介绍过,which作用从第七章就不是IN winch开头,那in which是做什么成分,找了好多语法书也没相关介绍.

想请教下这个英文句子,IN which 在英文小说目录中 放在句首,语法书也没有介绍过,which作用从第七章就不是IN winch开头,那in which是做什么成分,找了好多语法书也没相关介绍. we went through a period in which communications were very difficult in the rural areas.翻译下这个句子 the bad situation in which he was这个句子语法点帮忙分析下 ,最好能举个例子. the bad situation in which he was这个句子语法点帮忙分析下 ,最好能举个例子. 求解释一句英文extending a 5-year trend in which companies have lagged in promoting and mentoring of women to their own detriment,这个句子为什么要用in which 还有their 指的是哪个? 请教下这个句子的语法结构Rooney had no doubts as to where the winning goal belonged in the context of his career 请大神帮忙讲一下这个句子问什么用in which而不用which In which of the situations in exercise 1 are the people meeting for the first time?which of 在句中 充当什么角色,麻烦帮我分析下这个句子 谢咯! in which 引导什么句子 来帮忙看下这个句子中的两个which!He has got great achievements,which is not only reflected in xxxxxxx,which makes him a great xxx in thecompany,but also reflected in xxxx,后略这样用两个which可以么?该句用在比较正式的文 请教下这个图是什么、? 请教下这个是什么石 请教下这个是什么动物 Anerican swimmer Michael Phelps completed in____be made clear was his last Olympics race in his career.A,which B.that C.where D.what 请各位帮忙分析下这个句子缺少的成分,以及这个句子的类型, 请大神帮忙看下这个中翻英的句子是对的吗?Please help arrange workers to repair these issues which were described in the working report .请帮忙安排工人去修理描述在工作报告内的问题.是中文翻译成英文， can you answer my question in English 请教这个句子的：结构?时态?句子成分? 帮我翻译下这个句子.看不懂.That was before we entered the permissive period in education in which we decided it was all right not to push our children to achieve their best in school. persons in Western society call for a balance in which there are both specialists and generalists.我想知道下句子中in which 中的in有什么作用?