–Is that hotel big enough? We have at least 200 guests.--Sure. That’s a hotel which can ______ 300 people.

The changes of the plants and animals in an area ________ from differences in climate and the           nature of the country.

In this university a medal with five thousand dollars _______ achieved success in science and technology every two years. 

23．- Why weren’t you at the meeting?　　- I ________ for a long distance call from my sister in America.

The fact that so many people still smoke in public places ______ we may need a nationwide campaign to raise awareness of the risks of smoking.