The_______workcontinuedformorethanaweekbuttherewasstillnosignofthemissingboy.
The _______ work continued for more than a week but there was still no sign of the missing boy.
Healwayshasalotof_______ideasinhismind,andsometimeswedonotevenknowwhatheisthindingabout.
This morning in the class, our teacher lost his ______at last because he could not stand any more.
Heworksinouruniversityasavisiting_______,notasaformalfacultymember.