选出与其它三个单词划线部分发音不同的单词。
( )(1) A. walk B. work C. floor D. sport
( )(2)A. where B. there C. here D. pear
( )(3) A. we B. get C. let D. left
( )(4) A. but B. bus C. museum D. under
( )(5)A. miss B. right C. like D. height