I.单选。选一个最佳答案。（每小题1分，共20分）
( ) 1. There ___ _ three pieces of paper on the table.
A. is B. have C. are D. has
( ) 2. There is ____ chicken in the cupboard. Go and buy some.
A. little B. a little C. few D. a few
( ) 3. _____ milk is there in the bottle?
A. How many B. How much C. How often D. How long
( ) 4. Don't forget to ____ the light before you leave the classroom.
