Healwayshasalotof_______ideasinhismind,andsometimeswedonotevenknowwhatheisthindingabout.
He_______tostudyharderinthefuturesothathecouldhavemoreopportunitiestofindabetterjob.
Thisriverissobigthatitisimpossibletobuilda_______underitwithoutmoderntechnology.
Whathesaidinthemeeting_______everybodypresent.
Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.