找出不同类的单词，将其序号填入提前括号。
(  )(1)A.pears          B.oranges        C.bags
(  )(2)A.bananas        B.juice          C.milk
(  )(3)A.when           B.where         C.with
(  )(4)A.wear           B.pear          C.dear
(  )(5)A.pears          B.oranges        C.bags