All of us will be in dangers if we don not protect the environment.改错题,这题哪错了,

问题描述:

All of us will be in dangers if we don not protect the environment.
改错题,这题哪错了,

All of us will be in danger if we do not protect the environment.
应该是in danger,固定词组。

in dangers-> in danger 固定用法'陷入困境'不能用复数