1
She ___ playing football.
a) isn't b) aren't
a) isn't
He ___ swimming.
a)aren't b) isn't
b) isn't
You ___ riding a bike.
a)aren't b) isn't
a) aren't
They ___ wearing skirts.
a)isn't b) aren't
b)aren't
I ____ singing.
a)'m not b) aren't
a)'m not
It ___ sleeping.
a) isn't b) aren't
a)isn't