they promise that the work would all be finished -----next week a until b in c by d to

题目

they promise that the work would all be finished -----next week a until b in c by d to
in next week y next week 的区别理解成by next week 是一段时间in next week 是一个点吗

答案

可以这么理解.by是指从那个点之前的一段时间.