天黑后独自在公园散步可能有危险。

Walking alone in the park after dark could be a ___danger.

野生动物栖息地的破坏使许多物种处于濒危状态。

The destruction of wildlife habitats puts many species in ___danger.

在运动前不热身可能会有受伤的危险。

Not warming up before exercise can put you in ___danger of getting hurt.