By the time he arrives in Beijing.we__here for two days?
问题描述:
By the time he arrives in Beijing.we__here for two days?
A will have stayed B will study
为什么是选A而不是选B啊?B选项在什么情况下才正确?
By the time he arrives in Beijing 这句话不是"他到北京的时候"吗?按照意思应该更适合选B呀?
答
by the time 包含在...之前的意思,他所连接的时间状语通常和完成时连用,如果用when 来引导时间状从,主句就可以用will study