Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
A、continuousFreemedicalserviceis_______tonearlyallthecollegestudentsinChina.
The_______workcontinuedformorethanaweekbuttherewasstillnosignofthemissingboy.
ThecollegestudentsinChinaare_______fromsmokingoncampusbecausethiswilldothemnogood.
Afterworkingfortwentyhourswithoutanyrest,thedoctorswere_______.
Ihavenotheardanythingfromhimsincehis_______.
