He works in our university as a visiting _______, not as a formal faculty member.
A.traditional
B.scholar
C.nurse
D.pilot
A.energy
B. energetic
C. lazy
D. laziness
John()to be a teacher before the war, but now he works in a hospital
A is used
B was used
C used
D use
A.occasionally
B.anxiously
C.practically
D.urgently
A.working
B.works
C.to work
D.worked