首字母填空“ok i'will”John r__ when he heard what i saidIt's our d___ to protect the animals and plants in danger.

问题描述:

首字母填空“ok i'will”John r__ when he heard what i said
It's our d___ to protect the animals and plants in danger.

responded/replied回答
duty职责

realizes 理解,认识

duty 责任