• 2022-05-28 问题

    IfI_________theywereonsaleonline,Iwouldn'thaveboughtthetravelingbagsinthisstore.(2016-12) A: know B: knew C: hadknown D: haveknown

    IfI_________theywereonsaleonline,Iwouldn'thaveboughtthetravelingbagsinthisstore.(2016-12) A: know B: knew C: hadknown D: haveknown

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