写出下列动词的现在分词形式。
( ) They planned to ____ a baseball game. A. play B. plays C. playing
( ) Why do you have cups _____ your heads? A. on B. at C. in
( ) Why is he _____? A. cry B. crying C. laugh
( )Why are you ____ at the sky ? A. look B. looks C. looking
( )It’s easy to _____ mistakes with English words. A. make B. makes C. making