By the year 1889, there were just 541 bison in the whole of North America. [ ] A
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![By the year 1889, there were just 541 bison in the whole of North America. [ ] A](/pic/43_878401.jpg)
By the year 1889, there were just 541 bison ________ in the whole of North America.
[]A.leaving alive
B.to leave alive
C.to be left alive
D.left alive
试题答案
答案:D