求解:为什么选B,(答案是B)搞不懂这个,谁可以帮我看看是怎么回事吗?谢谢。

his father began to work___he was seven years olda as old asb as early asc sinced while
2025-05-11 07:07:31
推荐回答(1个)
回答1:

as old as :和......一样老
as early as:早在......时候
since:自从.....以来(多用于现在完成时)
while:然而
所以,答案就一目了然了