29 A 1s
B. will be
Cwas
D has been
D. compete
D. despite
B purchasing
D collecting
A eslimating
40. According to ihe passage.
C coug
B. competing
C. competed
30, A to compete
31. A. as
B duc to
C. because
A there are some people who spend a lot of time on stamp cnllecting
32 A previces ...
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