一. 单项选择（20分）
( )1. We can provide you ________ some information about the vacation.
A. for B. of C. at D. with
( )2. — This is really ugly bird.
— But it is useful bird. It can help fishermen catch fish.
A. an; a B. an; an C. a; a D. a; an
（ ）3. The bike is too expensive. I can’t ______ to buy it
A. effort B. afford C. keep D. sell
( )4. — Now people have to pay some money for bags in supermarkets.
— Yes. Because they are bad for the environment.
A. bin B. paper C. cloth D. plastic
