A.12
B.8
C.10
D.14

A.68,5%.
B.38,8%.
C.20,1%.
D.32,1%.

A.prepare
B.prepared
C.preparation
D.preparative

A.expenditure
B.experience
C.experiment
D.expert

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