If you have any problems during your study here,please do not _______ to call me for help
A、hesitateA
暂无解析
ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.
Thisriverformsanatural_______betweenChinaandKorea.
Thisriverissobigthatitisimpossibletobuilda_______underitwithoutmoderntechnology.
SomestatesintheUnitedStates_______peopletocarryguns.
Thismorningintheclass,ourteacherlosthis______atlastbecausehecouldnotstandanymore.
