She ___ buying an ice cream.
is
isn't
He ___ riding a scooter.
isn't
is
She _____ doing judo.
isn't
is
He ___ surfing the internet.
isn't
is
She ___ doing a jigsaw puzzle.
is
isn't
He ___ going for a walk.
is
isn't
He ___ listening to music.
is
isn't
He _____ collecting shells.
isn't
is