96、Rivers play an important role to man______.
A.since Roman times
B.since a few hundred years ago
C.in recent years
D. for a very long time
出自：伊犁师范大学-大学英语二
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96、Rivers play an important role to man______.
A.since Roman times
B.since a few hundred years ago
C.in recent years
D. for a very long time
出自：伊犁师范大学-大学英语二