( )1. My little brother is sleeping. Do you mind ________ the radio?
A. to turn down B. turning down
C. to turn up D. turning up
( )2. On her way to school, Maria found a purse ________ on the ground.
A. lie B. to lie C. lay D. lying
( )3. John was made ________ the classroom because of his being late.
A. clean B. to cleaning
C. cleaning D. to clean
( )4. When I saw the funny dog, I couldn’t help ________.
A. laugh B. to laugh
C. laughing D. laughed