ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.
Some states in the United States _______ people tocarry guns.
If you have any problems during your study here,please do not _______ to call me for help
He works in our university as a visiting _______, not as a formal faculty member.
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.