41.Studentswith_______problemsmayapplyforstudentloans.
42.Bothsugarandsaltcan______inwater.
43.Ihavenotheardanythingfromhimsincehis_______.
44.Withoutapropereducation,peoplecould_______allkindsofcrimes.
45.Severalloudspeakersare_______fromtheceilingandwecanhearthespeakerveryclearly.
46.Thismorningintheclass,ourteacherlosthis_______atlastbecausehecouldnotstandanymore.
47.Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
48.Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.
49.Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.
50.Ifyouhaveanyproblemsduringyourstudyhere,pleasedonot_______tocallmeforhelp