求一道英语练习题答案...一份的话是16期英语辅导报·上海八年级版 新世纪教材H面
问题描述：
求一道英语练习题答案...一份的话是16期英语辅导报·上海八年级版 新世纪教材H面
53.Before she went to the bus stop, the bus had left.（保持原句意思不变）
_____ the time she _____ at the bus stop,the bus had left.
答
By the time she arrived at the bus stop,the bus had left.