Theprofessorworkedfor7hoursata________.
Werefertothelimitedrangeofsoundsasthephonicmediumoflanguageandindividualsoundswithinthatrangeas______.
英语翻译：academicexchanges
Thenoiseofthepartystoppedmegetting________________sleep.
ModernEnglishwordsman,woman,child,eat,fight,etc,originatefrom______.
