A.which
B.whom
C.who
D.whose

A.seminars
B.courses
C.meetings
D.classes

A.qualifications
B.tutorials
C.experiences
D.assistances

A.way
B.position
C.post
D.charge

A.teachers
B.tutors
C.lecturers
D.doctors

A.doctorate
B.diploma
C.certificate
D.degree

A.graduated
B.graduating
C.graduation
D.undergraduate

A.result
B.return
C.general
D.advance

A.in
B.by
C.on
D.through

A.you
B.your
C.yours
D.yourself