His father began to work he was seven years old A.as old as B.as early as C.since D.while 选哪个

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His father began to work he was seven years old A.as old as B.as early as C.since D.while 选哪个
His father began to work he was seven years old A.as old as B.as early as C.since D.while 选哪个

His father began to work he was seven years old A.as old as B.as early as C.since D.while 选哪个
答案:B.as early as
解析:这里的as early as相当于时间副词when,表示当.时,而且early是副词,可以充当时间状语.而as old as是形容词,不能作状语,since用于现在完成时,while一般用于两件事情同时发生或形成对比,一般用于过去进行时
翻译:他的爸爸在七岁时就开始工作了.

选B
翻译是:它的父亲在7岁之早就开始工作了
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since前的句子中的时态一般是现在完成时态

B

选D,此处while可与when互换译为当……时候。