before和until的区别May i go and play with dick this afternoon, mum?no, you can't go out () your work is done.A. beforeB. until此题选什么,为什么?

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before和until的区别May i go and play with dick this afternoon, mum?no, you can't go out () your work is done.A. beforeB. until此题选什么,为什么?

before和until的区别May i go and play with dick this afternoon, mum?no, you can't go out () your work is done.A. beforeB. until此题选什么,为什么?
before和until的区别
May i go and play with dick this afternoon, mum?
no, you can't go out () your work is done.
A. before
B. until
此题选什么,为什么?

before和until的区别May i go and play with dick this afternoon, mum?no, you can't go out () your work is done.A. beforeB. until此题选什么,为什么?
选B...一般来说,until在否定句用得比较多,就是not...until.

before 在……之前
until 直到 not...until... 直到……才
固定搭配，not通常比较隐蔽。

A 在作业完成之前 通过翻译可以知道填befor
而until 是直到……的时候

选B，not…until…固定搭配。

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