Can you find the odd one out?

Type in the fields below only one word with the indefinite article. For example: a fish

Remember to make a space between the article and the word.
1) a puppy, a kitten, a duckling, a chicken, a bear cub, a fox, a tiger cub

2) at the cinema, at school, at home, in the forest, at work, in an office, at night

3) a fork, a knife, a cup, a car, a glass, a spoon, a plate, a dish, a pan

4) milk, a nut, an apple, jam, water, a camel, bread, a lemon, an orange

5) a train, a car, a plane, a bike, a bus, a tram, a lorry, a truck, a taxi

6) a coat, a dress, a shirt, a blouse, shorts, trousers, skirt, jeans, T-shirt

7) a goose, a swallow, a chick, a hen, a turkey, a cockerel, a crow, a cow