If humans do nothing,there__(be)no wild animals in the word.you look sleepy,why not__(stop) to

If humans do nothing,there__(be)no wild animals in the word.you look sleepy,why not__(stop) to
have a good rest.not only her parents but also she often___(encourage)us to face problems bravely.We shouldn't change the wetlands___(make)more space for farms and buildings.No one know what___(cause)the car accident just now