you must study hard if you (won't don't haven't hadn't)want

问题描述:

you must study hard if you (won't don't haven't hadn't)want to fail the exam括号里选哪个啊
说说理由啊,
1个回答 分类:英语 2014-11-24

问题解答:

我来补答
don't
时间和条件状语从句里将来时用一般现在时表示
翻译成如果你不想考试不及格的话你必须好好努力学习.
 
 
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