Heworksinouruniversityasavisiting_______,notasaformalfacultymember.
A、traditionalSomestatesintheUnitedStates_______peopletocarryguns.
ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.
Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.
Pinetreesareusuallybelievedto_______coldweather.
Healwayshasalotof_______ideasinhismind,andsometimeswedonotevenknowwhatheisthindingabout.