He_______tostudyharderinthefuturesothathecouldhavemoreopportunitiestofindabetterjob.
Muchofthenewsprovidedbythisnewspaperis_______,notforeign.
Heworksinouruniversityasavisiting_______,notasaformalfacultymember.
Freemedicalserviceis_______tonearlyallthecollegestudentsinChina.
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.