79.
[A] totally
[B] usually
[C] mainly
[D] actually
80.
[A] part
[B] entirety
[C] chapter
[D] section
81.
[A] claimed
[B] said
[C] classified
[D] graded
82.
[A] inclusive
[B] inclinable
[C] conclusive
[D] complicated
83.
[A] break
[B] elaborate
[C] define
[D] unlock
84.
[A] purposes
[B] degrees
[C] stages
[D] steps
85.
[A] such
[B] so as
[C] so
[D] such as
86.
[A] By
[B] In
[C] On
[D] To