29．My father bought me a MP4.but I don’t know it． A．when to use B what to use C．where to use D．how to use 【查看更多】

 

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My father bought me a MP4，but I don’t know ________ it．

A．when to use           B．what to use            C．where to use          D．how to use

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My father bought me a MP4，but I don’t know ________ it．

A．when to use            B．what to use             C．where to use           D．how to use

查看答案和解析>>


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