（ ）1、The children are _ to be happy with their parents.

（ ）1、The children are _ to be happy with their parents.
A.clever B.certain C.awful D.proud
( )2、How much _ the trousers?
Twenty dollers _ enough.
A.is;is B.are;is C.are;are D.is;are
( )3、Li Ping often reads English novels _ her reading skills.
A.improve B.to improve C.improving D.improved
( )4、What do you think of the buildings in the city?
They aren't _ those in Beijing.
A.as good as B.as well as C.as far as D.as soon as