Whenworkersareorganizedintradeunions,employersfindithardtolaythem________.
WhenIcamethroughthecustomsattheairport,Ihadtopay________onaclockIhadbought.
It'smore________tobuyaseasonticketifyoutraveleveryday.
________they'vegottoknoweachotheralittlebetter,theygetalongjustfine.