    Sentenée 1: Which actor was a ‘replacement  for. Doctot Who'due to. the’ illness“f the ‘maint  actor? :    ‘Sentence 2: “Other: original “plays “havé. been  staged’: as. amateur ‘productions, with other  actors. playing: the’ Doctor,. while ‘Terry ‘Nation’  wrote ‘The Curgs-of the Daleks,.a-stage' play  thounted. in: the. late :19608,. but without the  Doctor. -    