23页50.the】 book was so interesting that he had read it for three hours ----he realized it

23页50.the】 book was so interesting that he had read it for three hours ----he realized it
A,when B.uintil C.before 选B可以吗，不可以请说明理由，应选什么，为什么

hit the book是什么意思 The Mathematica Book pdf I'll book the book The book is worth _____ the book is a hit call, the ticket office book the pen is beside the book.对不对？ the english book is on the shelf the book on the desk is mine book the book为什么第一个book的意思是预定呢?