____ animals are in danger and there will be ____ space for them if we don’t take any actions.

He started to study ecology and decided to ________ his whole life to science.[ ]

The government has taken some measures to prevent more trees from _______.[ ]

Amy, your room is so clean and tidy.— Thanks. It’s a good habit to ______ the things afterusing them.

Every girl and every boy _____ the right to join the club.