The_______workcontinuedformorethanaweekbuttherewasstillnosignofthemissingboy.
A、researchMuchofthenewsprovidedbythisnewspaperis_______,notforeign.
Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.
Sometimesitisverydifficultto_______someoftheEnglishwords.Eventhenativespeakercannothelp.
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.
ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.