Wpisz odpowiedni przedimek.

--- an a apple

--- an a bag

--- an a bike

--- an a book

--- an a camera

--- an a diary

--- an a DVD

--- an a earring

--- an a exercise book

--- an a hat

--- an a ID card

--- an a key

--- an a mobile phone

--- an a MP3 player

--- an a pen

--- an a photo

--- an a sandwich

--- an a trainer

--- an a watch