Although they plant trees in this area every year, the tops of hills are still .A. blankB.

发布时间：2020-08-29 21:14:28

Although they plant trees in this area every year, the tops of hills are still     .
A. blank
B. hollow
C. vacant
D. bare

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A. blank
B. hollow
C. vacant
(答案→)D. bare
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