71. A) excessive
B) extra
C) additional
D) added(C)
72. A) what
B) which
C) that
D) other(B)
73. A) virtually
B) remarkably
C) ideally
D) preferably(A)
74. A) learned
B) suggested
C) taught
D) advised(C)
75. A) those
B) these
C) who
D) they(D)
76. A) on
B) with
C) under
D) for(A)
77. A) formed
B) altered
C) believed
D) thought(B)
78. A) operation
B) position
C) motion
D) location(C)
79. A) how
B) which
C) that
D) what(D)
80. A) around
B) across
C) on
D) above(B)