Uzupełnij właściwym przedimkiem.

--- a - an sandwich

--- a - an pen

--- a - an apple

--- a - an sandwiches

--- a - an bag

--- a - an bike

--- a - an trainer

--- a - an book

--- a - an apples

--- a - an camera

--- a - an diary

--- a - an umbrella

--- a - an hat

--- a - an ID card

--- a - an books

--- a - an exercise book

--- a - an watch