选出与其它单词不同类的选项。（每小题2分，共10分）
(1)A. is B. are C. do D. am
(2)A. cm B. m C. ton D. tail
(3)A. old B. tall C. long D. younger
(4)A. cooked B. read C. visited D. watch
(5)A. who B. what C. where D. watch
( ) （6）_____ old is he ?
A. HowB. WhatC. Where
( ) （5） Do you like ______ ?
A. singB. singsC. singing
( ) （4） Where ____ you come from ?
A. areB. isC. Do
( ) （3）--- ____kind of cake would you like ,Lily?--- I’d like a chocolate cake.
A. WhatB. HowC. Where
( ) （2） Welcome to _______ class !
A. weB. usC. our