选择题：Natural Burn was adopted because some forest fires were ____. A、hard to put outB、started by lightningC、good for the balance of natureD、approved by National Park Service
选择题：Natural Burn was adopted because some forest fires were ____.
A、hard to put out
B、started by lightning
C、good for the balance of nature
D、approved by National Park Service
发布时间：2025-12-09 06:03:03
