题目内容
根据所给要求,改写下面句子。每空格限填一词
You can't make much progress in your study unless you work hard.
You ________ make much progress in your study ________ you work hard.
答案:can,if
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题目内容
根据所给要求,改写下面句子。每空格限填一词
You can't make much progress in your study unless you work hard.
You ________ make much progress in your study ________ you work hard.