Which one is different? 
All the words in this exercise appear in Units 1-5 of
 Headway Pre-Intermediate.                                
They are in groups of four. Three of the words have things in
 common. Underline the one word in each group that is different.
Example castle cathedral cottage house   (You can't  live in a cathedral.) 
a. language   translator   dictionary    art 
b. jungle village   mountain    field 
c.   handbag   wallet    suitcase   purse 
d.   word processor   fridge    freezer   cooker 
e.   video   iron   Walkman   CD player 
f.   vacuum cleaner   dishwasher    lamp    washing machine 
g. pyjamas   jumper   pillow   shirt 
h. neck   foot   chest   sock 
i.   hairdresser   shopkeeper   customer    banker
j.   tomorrow morning    yesterday evening the day after tomorrow    in two weeks' time 
k.  mushrooms   cauliflower   pineapple    cabbage 
l.   strawberry    cherry    pear   pea 
m. knife    saucepan    frying pan    oven 
n.  roast   bake    peel    fry 
o. butcher's    greengrocer's    chemist's   baker's