29.
A. with
B. by
C. on
D. for
正确答案是
30.
A. although
B. while
C. nevertheless
D. when
正确答案是
31.
A. machines
B. apparatus
C. equipment
D. implement
正确答案是
32.
A. similar
B. skin
C. like
D. alike
正确答案是
33.
A. exchange
B. bargain
C. dealing
D. ride
正确答案是
34.
A. close at
B. adjacent to
C. near to
D. near-by
正确答案是