用所给词的适当形式填空
She has a ________ (nature) ability to understand the motive(动机) of others.
Everybody should do something for birds ________ (active)
The ________ (travel) are planning to go to visit the Great Wall tomorrow.
The little pet’s________ (die) makes me very sad.
I think the food my mother cooks is ________ (tasty) of all.