each followed by 4choices marked 是什么意思答:解释如下:1、each是代词,确切的说,是不定代词,代替前面出现的dialogue,表示每个,每一个;不定代词英语中很多,some(something,somebody,someone),any(anything,anybody,anyone),no(nothing,nobody,no one),every(everything,everybody,everyone,),all,each,both,much,many等等.一般不定代词可以做...