in which用法These are the days in which it takes two salaries for each home,but divorces increase.这里的in which如何解释.inwhich不是等于where吗 这里可以直接用which吗

in which用法These are the days in which it takes two salaries for each home,but divorces increase.这里的in which如何解释.inwhich不是等于where吗 这里可以直接用which吗 下面句子中的特殊疑问词用法错误,请改正 who's books are these?Are they yours?who's books are these?Are they yours?what boy is the tallest in you class?Which could come to help me? which的用法in which 的用法 Which two of these sports are not popular in France?cycling baseball tennis judo skiing football Which two of these sports are not popular in France?cycling,baseball,tennis,judo,skiing,football These are some areas ___ are short of teachers and medical service.A.in which B.which C.on which D.whereWhich one?Why? there are altogether eleven books on the shelf ,____five are mine.A on which B in which C of which D from which这几种用法都有吗> of which /in which / with which /for which 的用法 In what ways have you been responsible /impossible?Have these helped you in any way?Are these ways on which you think you can improve in such-things? These are the tools___to workA.with these B.by these C.by which D.with which What are these in English? what are these in english? These facts are unimportant in . generally speaking these changes are somewhat negative in nature.这里的in的用法.如题,请翻译下这里的in的用法. which class are you ni和which class you are in 哪个对?我在一本书上面见到which class you are in?和 which class he is in?的用法。所以迷惑中。请帮我查实。 in which ：on which：which的具体用法是啥啊? 介词+which 的用法尤其是by which in which they are going to go on a world tour in which they will perform in ten different cities.其中in which 是什么用法