A/An
An umbrella
A/An
An hour
A/An
A pen
A/An
A water bottle
A/An
A cell phone
A/An
A dictionary
A/An
A snack
A/An
A notebook
A/An
A classroom
A/An
A highlighter
A/An
An eraser
A/An
A laptop
A/An
A bag
A/An
A watch
A/An
A wallet