Several weeks had gone by ______ I realized the painting was missing.
问题描述：
Several weeks had gone by ______ I realized the painting was missing.
a、as
b、 before
c、 since
d、 that
这题选b,为什么连接词之前有个by?
答
go by 的意思大约是“流逝”的意思.固定用法
看到的不是很多,不过曾经有一首很经典的英文歌叫做“AS TIME GOES BY”《我和春天有个约会》里洪莲西经常唱的那首.