Thisboywas_______forwhathehaddoneintheclass.
Inordertoincreaseouroutput,weneedtoimportmoreproduction_______.
IntheUnitedStates,theforeignpolicyisdecidedbythe________government,notbyeachstate.
ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.
Studentswith_______problemsmayapplyforstudentloans.
Whenaspacecrafttravels,oneofthemajorproblemsisreentryintotheEarth’s_______.