Thefarmerhadtowearheavybootsinthewinterbecausethefieldsweretoowetand________.
Ifyouwanttofindadecentlocationforyourownhome,________Mr.Smithforadvice.
Whenworkersareorganizedintradeunions,employersfindithardtolaythem________.
Itisusefultoscience_______theearthasanobjectinspace.
Ababymightshowfearofanunfamiliaradult,_______heislikelytosmileandreachouttoanotherinfant.