选出不同类的单词。(每小题2分,共20分) A. appleB. orangeC. long A. twoB. tooC. seven A. UKB. USAC. CD A. boyB. girlC. short A .heB. sheC. teacher A. motherB. brotherC. teacher A. duck B. desk C. chair A. planeB. pearC. peach A. small B. giraffeC. short A. fifteen B. twelveC. friend