Heworksinouruniversityasavisiting_______,notasaformalfacultymember.
A、traditionalIhavenotheardanythingfromhimsincehis_______.
IntheUnitedStates,theforeignpolicyisdecidedbythe________government,notbyeachstate.
The_______isnearlydead,soIcannotstartthecaragain.
Thismorningintheclass,ourteacherlosthis______atlastbecausehecouldnotstandanymore.
Theengineersinthislabspentseveralweeks_______theirplansforthenewbicycle.
