1. It's important to  r _____ paper to save the trees.
2. Don't  p_____ the door! You should push the door.
3. We are supposed to p _____ the hungry children with food.
4. That big zoo is  s _____ for animals to live in.
5. It was so dark that I could  h _____   see anything.

1. Elephants are the most e   animals in the world, I think.
2. It's important to r    paper to save the trees.
3. The a____ animals should be put in cages.
4. Most people are a____ putting animals in the zoo.
5. That big zoo is s____ for animals to live in．

1. Elephants are the most e______ animals in the world.
2. That zoo is s______ for animals to live in.
3. It's important to r______ paper to save the trees.
4. Most people are a______ putting animals in the zoo.
5. The a______ animals should be put in cages.

1. Ted w____why the police called him, so he went to the police station yesterday.
2. Would you mind opening the window to let f         air in?
3. If you want me to help you, you must tell the t_____.
4. That big zoo is s        for animals to live in.
5. It's important to r         paper to save the trees.