题目

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

提问时间：2020-08-07

答案

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...