Which sentence follows the proximity rule for an either-or or neither-nor subject?
Either the ushers or the supervisor opens the side entrance.✓Bonne réponse
Either the supervisor or the ushers opens the side entrance on weekdays.
Neither the technicians nor the curator approve the revised plan today.
Neither the curator nor the technicians approves the revised plan during rehearsals.
Explication
Either the ushers or the supervisor opens the side entrance agrees with the nearest alternative, the singular supervisor. The other sentences make the verb agree with the more distant noun phrase instead of the adjacent alternative, reversing the proximity pattern.