Heworksinouruniversityasavisiting_______,notasaformalfacultymember.
A、traditionalWhen you fill in the application form, please use your_______ address so that we can contact you easily later.
Whenaspacecrafttravels,oneofthemajorproblemsisreentryintotheEarth’s_______.
It is not ---_______ for me to return all the books to the library now because I still need some of them for my research.
Asateacher,youshouldnot_______thestudentsfromaskingquestionsinclass.
ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.
