The vet treated the ______ animals before releasing them.
injured
If we protect their habitat, these animals ________ coexist with humans peacefully.
can't
could
couldn't
can
Last night, they had to ________ a young man that was left on an island.
rescue
The hikers ________ find their way back to the camp yesterday because the forest was too dark.
could
can't
can
couldn't
There is a ________ between siblings in the family.
conflict
To stay alive despite difficult conditions.
survive
To be able to reach or get inside something.
access
The forest is the natural _______ of the grizzly bear.
habitat
To live in the same place at the same time.
coexist
In many national parks, you __________ feed the wild animals.
don't have to
shouldn't
should
have to
If you see an injured bird, you __________ touch it with your bare hands; call a professional instead.
don't have to
should
have to
shouldn't
To protect something from harm or attack.
defend
A ________ is a nocturnal animal known for the black "mask" around its eyes.
raccoon
You __________ be a professional scientist to help protect nature; you can just pick up trash!
should
have to
shouln't
don't have to
A dog is a _______ animal, whereas a wolf is a wild one
domestic
Scientists __________ study for many years before they can lead a wildlife organization.
shouln't
should
have to
don't have to
A domestic cat ________ hunt as well as a wildcat because it is used to being fed by humans.
couldn't
could
can
can't
In the past, the giant panda ________ survive easily in the wild, but now it needs human protection.
couldn't
can't
could
can
Some owls ______ small mice during the night.
hunt
If you want to help the environment, you __________ try to use less plastic every day.
should
have to
shouldn't
don't have to
We __________ destroy the natural habitats of endangered species if we want them to survive.
have to
should
don't have to
shoudn't
Before the law was passed, the organization ________ do much to stop the pollution.
couldn't
could
can
can't
We ________ save the coral reefs if we reduce ocean pollution immediately
could
can't
couldn't
can
A group of people working together for a goal.
organization