选出你所听到的单词。(5分)
(  )（1）A.tomato        B．potato      C．tomorrow
(  )（2）A.apple         B．pineapple   C．pear
(  )（3）A.watermelon    B．water       C．lemon
(  )（4）A.fruit         B．kiwifruit   C．foot
(  )（5）A.green         B．grade       C．green pepper