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1 . It is illegal to reproduce these worksheets without________ (permit) from the publisher. (所给词的适当形式填空)
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2 . They used copyrighted music without__________ (permit). (所给词的适当形式填空)
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3 . I was excited to go there but I need to ask ____________ ( permit) from my parents. (所给词的适当形式填空)
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