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The Olympic snowboarding event,        , was exciting．

       A．on which many people watched            B．where many people watched TV

       C．which many people watched on TV       D．where many people watched on TV

The Olympic snowboarding event,        , was exciting．

A．on which many people watched                   B．where many people watched TV

C．which many people watched on TV                     D．where many people watched on TV

 The Olympic snowboarding event,        , was exciting．

       A．on which many people watched            B．where many people watched TV

       C．which many people watched on TV       D．where many people watched on TV

The Olympic snowboarding event, 　　　 , was exciting．

A．on which many people watched　 B．where many people watched TV

C．which many people watched on TV D．where many people watched on TV