You _________smoke here! Look at the sign. It says "No smoking".( )
A.needn'tB.mustn'tC.canD.may
There is a big tree _______ the classroom.
—What do you think of the film So Young directed by Zhao Wei? — Wonderful. I think it’s _____than the other films about youth in recent years.
The girl is so good at singing that she can sing _______ than anyone else.
Mike is good at sports. He jumps much _______ than the other boys in the class.
- What's wrong with Mary? - She's______ at her sister's bad behavior.