高中英语选择题,仔细分析一下选项When I talked with my grandma on the phone, she sounded weak , but by the time we ____ up, her voice had been full of life.A .were hanging B.had hung C. hung D.would hang

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高中英语选择题,仔细分析一下选项When I talked with my grandma on the phone, she sounded weak , but by the time we ____ up, her voice had been full of life.A .were hanging  B.had hung  C. hung   D.would hang

高中英语选择题,仔细分析一下选项When I talked with my grandma on the phone, she sounded weak , but by the time we ____ up, her voice had been full of life.A .were hanging B.had hung C. hung D.would hang
高中英语选择题,仔细分析一下选项
When I talked with my grandma on the phone, she sounded weak , but by the time we ____ up, her voice had been full of life.
A .were hanging B.had hung C. hung D.would hang

高中英语选择题,仔细分析一下选项When I talked with my grandma on the phone, she sounded weak , but by the time we ____ up, her voice had been full of life.A .were hanging B.had hung C. hung D.would hang
应该选B.这句话的意思是:当我和我的奶奶打电话,她听起来软弱无力,但到时候我们已把电话挂上,她的声音一直是充满活力.
by the time 意思是"到··为止",后面跟完成时态,这是固定用法

A,和奶奶讲电话的时候,她的声音听起来很微弱,但是当我将要挂断电话的时候,她的声音便充满了活力。
过去将来时,意思是马上要挂断

选c,过去时,by the time 相当于before,引导时间状语从句,主句过去完成时,这里要表达从句动作在主句动作之前发生,所以用过去时,其它都不对,A.是过去进行时。B 是过去完成时。D是过去将来时

选C。 这是一道时态题。by the time 后接一般过去时,主句用过去完成时;by the time 后接一般现在时,主句用将来完成时。
e.g. By the time my mother came home, I had finished my homework.
By the time we graduate, we will have lived here for 6 years.

同意froschkiss的说法,这题只能选B.