28.
A. glance
B. watching
C. gazing
D. view
正确答案是
29.
A. nervousness
B. hospitality
C. uncertainties
D. doubtness
正确答案是
30.
A. observing
B. observed
C. behaving
D. speaking
正确答案是
31.
A. which
B. where
C. when
D. if
正确答案是
32.
A. variety
B. range
C. scope
D. number
正确答案是