James came back home early last night.It was not yet eight o

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James came back home early last night.It was not yet eight o'clock_______he arrived home.
A.before B.that C.when D.until 选什么呢?为什么不能选d呢?

答：选c
解析：句意为：-Jack昨晚回来得很早-----------他到家时还不到8点.
考生的思维定势有二：首先,认为是在考查强调句.同学们熟记了强调句型：It be+被强调部分+that/who+其余部分.而判断一个句子是否为强调句型,只需将其中的It is/was和who/that去掉,如果句子结构完整通顺,则是强调句型,否则就可能是其他语法形式.如果选b项,去掉It was和所填的that后,时间状语前缺少介词,句法错误,因此该句不是强调句型,而是状语从句.
其次,认为是在考查it…before…句型.It is+时间段+before句型的肯定式表示“过多久……才、就”；否定式表示“不久……才、就”.此题如用before罗辑不符,故答案选B.
还有before ,是跟的时间段,when 跟的是时间点
再问：为什么不能选D
再答：语法上是可以用until的
not until 这个结构，之所以用否定，主要是针对not 跟的是短暂性的，这里是8点钟，是个时间点，不是时间段，因此语法没错

只是意思比较牵强，
没有yet ,意思是，直到8点，他才到家，（和上文的回答也是比较牵强的）
加了个yet,意思是：还是直到8点，他才回家，个人觉得也是无法和上文联系起来

但是，it is +时间点+ when 这样的句式，很流畅，因此我第一反应是C

James came back home early last night.It was not yet eight o 状语从句和定语从句Did Jack cime back last night?it was not yet eight Did J ack come back early last night ---Yes,It was not yet e it was not yet eight o'clock before he arrived home.求翻译外加bef it was not yet eight o'clock when he arrived home When my mother came back home last night,I was still _______ my father came back home at nine o'clock last night.对at nine it is not yet eight o'clock when he arrived home.什么从句? It ____(snow) last night when my father came back home. #高考提分#didi jack come back early last night ----yes.it was no It was last night ___Mr. Lester came back to his hometown fr It was not _____ they came back.