She _____ windsurfing.
is
are
aren't
isn't
What is he doing?
He is mountain biking.
What are they doing?
They are horse riding.
He _____ mountain biking.
is
aren't
are
isn't
What is he doing?
he is rowing.
They ____ horse riding.
aren't
are
isn't
is
What is he doing?
He is snorkelling.
They _____ horse riding
isn't
aren't
are
is
What are they doing?
They are saling.
She _____ windsurfing.
is
aren't
isn't
are
What are they doing?
They are hiking.
What is she doing?
She is windsurfing.
What are they doing?
They are canoeing.
They _____ hiking.
is
are
isn't
aren't