unless用法you old computer doesn't work/you needn't buy a new one用unless连接另外,请问unless能否主句从句都为否定?

unless用法you old computer doesn't work/you needn't buy a new one用unless连接另外,请问unless能否主句从句都为否定? unless的用法! Unless的具体用法 unless的用法= unless的用法 英语知识问题unless用法 if和unless的用法 unless的用法,怎么用 Unless you're dead unless的用法是什么有一个句子是这样的：You won't go to bed___you can finish the work.中间填空部分为什么不能填unless? unless和if的全部用法 unless if once用法的区别 根据括号中的提示,进行同义句转换If you eat healthy food,you can keep fit(unless) This old car has syopped working again(go wrong) Unless you try,you’ll never succeed. MIN COMP. 在英语,问年龄的句子中,（How old are you?）be动词的用法. You're too much like your old man帮忙分析一下这里too much的用法 daring small talk,never ask how old people are,unless they are about the same age as you...daring small talk,never ask how old people are,unless they are about the same age as you.翻译,和语法.急,分全加.