C. Pay attention to the problem how we can protect the wild animals.

(同位语从句)请注意如何保护野生动物这个问题。

youdao

To learn how to protect giant pandas and other wild animals.

学习如何保护大熊猫和其它野生动物。

youdao

To learn how to protect giant pandas and other wild animals.

学习如何保护大熊猫和其它野生动物。

youdao