The_______workcontinuedformorethanaweekbuttherewasstillnosignofthemissingboy.
A、researchAfterworkingfortwentyhourswithoutanyrest,thedoctorswere_______.
Some states in the United States _______ people tocarry guns.
Without a proper education, people could _______ all kinds of crimes.
In the United States, the foreign policy is decided by the ________ government, not by each state.
ThecollegestudentsinChinaare_______fromsmokingoncampusbecausethiswilldothemnogood.