找出不同类的一个单词。
（）（1）A. readingB. playingC. swim
（）（2）A.runningB. pictures C. books
（）（3）A.flyingB. ridingC. taking
（）（4）A.friend B. musicC. talk
（）（5）A.football B. kiteC. basketball
（）—What are you_______?
—I’m playing basketball.
A.doingB. do C. does
（）I’m listening _______music.
A.at B. to C. about
（）Tom is playing _____a toy train.
A.In B. to C .with
（）He likes _____.
A.swimsB. swimming C. swim