----Don’t you think ______ is necessary for friends to trust each other?----Yes, it’s the most important.
In a __________ ,we can read many kinds of books ,but you must keep quiet there.
_______ wear white uniforms and help doctors in hospital.
_______only in China , they look pretty cute and have two big black eyes.
Australia is a big country. Australians speak _________
The sign_____is often found in a reading-room or a library.