UC知道His father began to work _______his childhood.A.since B,as early as C,while
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His father began to work _______his childhood.A.since B,as early as C,while
为什么选B,这道题和下面的句子有什么不同
Since her childhood,she has always tried her best to live up to her ideas.
为什么选B,这道题和下面的句子有什么不同
Since her childhood,she has always tried her best to live up to her ideas.
since可以看做完成时的标志，题目中没有明显的完成时态
首先我们来看选项，A是用在现在完成时中，后面跟的是个点时间。C是引导的时间状语从句，虽然本句就是需要一个引导时间的词，但是while引导的是一个完整的句子。这个句子用while的话可以说为：His father began to work while he was a child.
所以选B。
一楼正解
What was his father?是什么意思
His father worked here for thirty years.
Is Tom helping his father( )the house?
while Tony_____music,his father came home.
his father has become rather forgetful in his old age.
His father is a doctor和His father is doctor一样吗？为什么？
did you hear about his father getting arrested yesterday?
___does he usually go with?He often ___with his father.
he is looks like his father．对吗
he is like his father.为什么like不加s