1.Thisisan_______thatwillnotbeeasilyforgotten.
2.Please_______meformyrudeness.Ireallydonotknowthecustomhere.
3.Waterandairare_______tohumanbeings.Wecannotlivewithoutthem.
4.Whentheairplanetakesoff,thepassengersaretoldto_______theirseatbelts.
5.Thisisnotwhatweaskedyoutodo.Youcannotgetmorepayforthe_______work.
6.Mythroatis_______.Icannotspeakanymore.
7.Manyyearsago,alotoffactorieswere_______frombigcitiestothemountainousareasincaseofwar.
8.Hesaidinhisletterthathewould_______somephotographsbutIcouldn’tfindanythingintheenvelope.
9.ManyEnglishwordsare_______fromLatin.
10.Ifeel_______tosaythatIcannotbelievewhathesaid.