WhenIcamethroughthecustomsattheairport,Ihadtopay________onaclockIhadbought.
Othersarguethatsincetheearthhasenduredalongstringoficeagesinthelasttwomilliontothreemillionyears,anywarmingis________tobetemporary.
Theboyranoutoftheclassroomwithouttheteacher's_______.
________they'vegottoknoweachotheralittlebetter,theygetalongjustfine.
Idon'tknowhowwecanmake________onthetimetableforanymorecourses.