indefinite-articles_teacher_switcher

………. police officer
a
…… police dog
a

……. angel with
….. harp
a
an

…….. orange can’t walk
an

………….
airplane
is flying
in the sky
an

They needed …. helicopter
a

….. eye exam
an

……heart and some arrows
a

…. elf is in …..
box
an
a

…..ice sculpture
…… artist
an
an