At one time, ________were the only practical way to cross the vast areas of the west.
A. buses
B. bikes
C. trains
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第(31)题答案是
A. features
B. personalities
C. characteristics
D. identities
26__________
A. each
B. altogether
C. long
D. respectively
Mr.Benn disagreed with the manager about
A. product promotion.
B. customer relations.
C. pricing policy.
第(24)题答案是
A. dependent
B. inseparable
C. related
D. indispensable