Below is a text with blanks. Click on each blank, a list of choices will appear. Select the appropriate answer choice for each blank.
下面的文本有一些空格。点击每个空格会出现一组选项，请为每个空格选出最合适的答案。
The Petrified Forest is home to some of the most impressive fossils ever found and more are being discovered each year as continuing erosion is new evidence. Fossils found here show the Forest was once a tropical region, with towering trees and extraordinary creatures. More than 150 different species of fossilized plants have been discovered by paleontologists and evidence that ancient native people inhabited this region about 10,000 years ago has been by archeologists.
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