ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.
Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
Sheisalready16yearsold.Butshe_______asifshewerestillalittlegirl.
Freemedicalserviceis_______tonearlyallthecollegestudentsinChina.
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.