作业帮you are to know the result but that s ____everyone has finished their workA when.B.why C.before C.until 为什么选when
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you are to know the result but that s ____everyone has finished their workA when.B.why C.before C.until 为什么选when
you are to know the result but that s ____everyone has finished their work
A when.B.why C.before C.until
为什么选when
you are to know the result but that s ____everyone has finished their workA when.B.why C.before C.until 为什么选when
when == the time when == the time at which time
这句话的意思是：你会知道结果的，但那是在每个人都完成工作以后。
are to 在这里表示必然性
从意思来看，首先就排除了B，后面明显是一个时间状语从句，而不是原因状语
C 从意思来看，如果用before，似乎就没必要用but这个转折，直接说：
you are to know the result before everyone has finished their ...
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这句话的意思是：你会知道结果的，但那是在每个人都完成工作以后。
are to 在这里表示必然性
从意思来看，首先就排除了B，后面明显是一个时间状语从句，而不是原因状语
C 从意思来看，如果用before，似乎就没必要用but这个转折，直接说：
you are to know the result before everyone has finished their work 就可以了
D until 意思是：直到...才，一般这个词引导的从句，主句要用持续性动词，假如非持续性动词，就要用否定形式，成为not...until
比如：we didn't leave until 12 o'clock （leave是短暂性动词，所以要用否定）
we stayed there until 12 o'clock （stay是持续性动词）
而这个句子里，know是短暂性动词，所以不能用until 引导从句
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