1---youdidn'tcometothedinnerpartylastnight----i___,butihadasuddenvisitorfrommyhometowna.hadtob.didn'tc.wasgoingtod.wouldn't2.linda,makesurethetables__beforetheguestsarrivea.besetb.set.c.aresettingd.areset3.peoplesh

　　1---youdidn'tcometothedinnerpartylastnight

　　----i___,butihadasuddenvisitorfrommyhometown

　　a.hadtob.didn'tc.wasgoingtod.wouldn't

　　2.linda,makesurethetables__beforetheguestsarrive

　　a.besetb.set.c.aresettingd.areset

　　3.peopleshouldreadthe___regulationsbeforetheyexploitnaturalresources

　　a.relatingb.relatedc.connectedd.connecting