The Tieto Corporation, a European firm that it provides information technology services to large companies, said it had seen str

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问题 The Tieto Corporation, a European firm that it provides information technology services to large companies, said it had seen strong and increasing demand from customers for Android-based business software.

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答案it(provides)一/

解析 关系代词that在限制性定语从句中作事语,it是重复主语,赘余。
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