Carelessnessmadehimfallinhisjob_______.
A、interviewPinetreesareusuallybelievedto_______coldweather.
Bothsugarandsaltcan______inwater.
Althoughthetrfficisnotbusy,helikestodriveata_______speed.
Thisriverissobigthatitisimpossibletobuilda_______underitwithoutmoderntechnology.
Healwayshasalotof_______ideasinhismind,andsometimeswedonotevenknowwhatheisthindingabout.
