1.It's not right ____(kill) animals,for animals are our friends.2.People need ____(protect) the1.It's not right ____(kill) animals,for animals are our friends.2.People need ____(protect) the animals and help them ____(live) in peace.3.People have cut down many trees,so a lot of animals have no food ____(eat) and no place ____(live) in.4.The water in the river is too dirty for animals ____(drink).

to kill it is + adj.+to do sth. 做某事怎么样
to protect , live need to sth. help sb do sth.
to eat , to live 不定式作宾补
to drink too……to……太……以至于……

啊

不定式都是加to do
1. to kill
2. to protect
3. to eat， to live
4. to drink

1. to kill
2. to protect
3. to eat to live
4. to drink

1.It's not right _to kill___(kill) animals,for animals are our friends.
2.People need __to protect__(protect) the animals and help them __(to) live__(live) in peace.
3.People have cut down many trees,so a lot of animals have no food __to eat__(eat) and no place __to live__(live) in.
4.The water in the river is too dirty for animals _to drink___(drink).