before和till的区别 例 i'm sorry you've been waiting so long,but it will still be some time Tom baci'm sorry you've been waiting so long,but it will still be some time ( )Tom get back.选before还是till 为什么（详解）

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before和till的区别 例 i'm sorry you've been waiting so long,but it will still be some time Tom baci'm sorry you've been waiting so long,but it will still be some time ( )Tom get back.选before还是till 为什么（详解）
before和till的区别 例 i'm sorry you've been waiting so long,but it will still be some time Tom bac
i'm sorry you've been waiting so long,but it will still be some time ( )Tom get back.
选before还是till 为什么（详解）

before和till的区别 例 i'm sorry you've been waiting so long,but it will still be some time Tom baci'm sorry you've been waiting so long,but it will still be some time ( )Tom get back.选before还是till 为什么（详解）
before多用于肯定,例如
It will be a long time before we finish this dictionary.
我们需要很长的时间才能把这部词典编译完.
till多用于否定,例如
The struggle will not cease till the country achieves independence.
要到国家获得独立,斗争才会止息.

before和till的区别 例 i'm sorry you've been waiting so long,but it will still be some time Tom baci'm sorry you've been waiting so long,but it will still be some time ( )Tom get back.选before还是till 为什么（详解） Until和Till的区别 till和until的区别? until和till的区别. till 和untill的区别 until和till的区别 untill和till的区别. till 和untill 的区别 untill 和 till的区别 求UP TILL NOW 的详细用法.它是否必须和BEFORE连用?EG:UP TILL NOW,I HAVE NEVER BEEN ABROAD BEFORE. ago,before,after,until,till等的区别 till和until的用法,和区别 till和until的区别和联系? till和until的区别举例说明 请问until和till的区别谢谢! till·until和by的区别 untill和till的区别是啥 untill和till的区别是啥