选出每组中不属于同一类别的词。(每小题1分，共5分) 
(  ) 1. A writes   B studies     C cooks      D bus
(  ) 2. A sing    B draw       C dance      D song
(  ) 3. A cooks   B studies    C goes      D hobbies
(  ) 4. A hiking   B dancing    C writing   D playing
(  ) 5. A Canada   B Australia   C Sydney     D England