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