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    From April 1, 2009, 3G mobile phones in 8 main cities in China of what is going on all over the world faster and more conveniently.. A. are used; to keep informed B. have come into use; to keep people informed C. come into use; keeping informed D. have been in use; informed 【查看更多】

     

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    From April 1, 2009, 3G mobile phones ______ in 8 main cities in China ________of what is going on all over the world faster and more conveniently..

       A. are used; to keep informed              B. have come into use; to keep people informed

       C. come into use; keeping informed     D. have been in use; informed

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