Studentswith_______problemsmayapplyforstudentloans.
A、economicWhenmakingmoderncameras,peoplebeganto_______plasticsformetal.
ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.
Withoutapropereducation,peoplecould_______allkindsofcrimes.
Withthehelpofthegovernment,alargenumberofpeople---_______afterthefloodin1991.
Thismorningintheclass,ourteacherlosthis______atlastbecausehecouldnotstandanymore.