Severalloudspeakersare_______fromtheceilingandwecanhearthespeakerveryclearly.
A、connectedThismorningintheclass,ourteacherlosthis______atlastbecausehecouldnotstandanymore.
Ihavenotheardanythingfromhimsincehis_______.
Heworksinouruniversityasavisiting_______,notasaformalfacultymember.
Wedonothavea_______schoolinourinstitute.ThehighestdegreeweprovideforthestudentsisaB.A.andaB.S..
Withoutapropereducation,peoplecould_______allkindsofcrimes.
