Bothsugarandsaltcan______inwater.
Whentravelingaloneinthemountains,you’dbettertakea_______withyouincaseyougetlost.
Severalloudspeakersare_______fromtheceilingandwecanhearthespeakerveryclearly.
Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
Withoutapropereducation,peoplecould_______allkindsofcrimes.
Ifyouhaveanyproblemsduringyourstudyhere,pleasedonot_______tocallmeforhelp