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    At 12 o`clock last night when I went past Tod`s house, some music could be heard. He TV. A. should have been watching B. must have been watching C. could have watched D. would have watched 【查看更多】

     

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    At 12 o`clock last night when I went past Tod`s house, some music could be heard. He______ TV.
    A. should have been watching             B. must have been watching
    C. could have watched                   D. would have watched    

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