Thismorningintheclass,ourteacherlosthis______atlastbecausehecouldnotstandanymore.
A、temperThe_______isnearlydead,soIcannotstartthecaragain.
Heworksinouruniversityasavisiting_______,notasaformalfacultymember.
Weare_______attherapidprogressMarkhasmadeinthissemester.
Itisnot---_______formetoreturnallthebookstothelibrarynowbecauseIstillneedsomeofthemformyresearch.
Pinetreesareusuallybelievedto_______coldweather.