Shark, carp, catfish, trout ______.
Piano, organ, bagpipe, violin ______.
Sea, ocean, river, lake, ______.
Arm-chair, coffee-table, settee, scatter-cushion, ______.
Oak, silver-birch, poplar, willow, ______.
Tree, trunk, root, leaf, ______.
Bread, butter, sugar, cream, ______.
A hat, a cap, a scarf, a shirt, ______.
Speak, talk, tell, say, ______.
Teacher, headmaster, form mistress, principal ______.
Worker, teacher, businessman, doctor, ______.
Wood, metal, brick, glass, ______.
Tree, plant, flower, bush, ______.
Farm, village, town, city, ______.
