问题
选择题
In the botanic garden we can find a(n) ________ of plants that rang from tall trees to small trees.[ ]
A. species
B. group
C. amount
D. variety
答案
答案：D
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In the botanic garden we can find a(n) ________ of plants that rang from tall trees to small trees.[ ]
A. species
B. group
C. amount
D. variety
答案：D