They are bad ... playing the piano.
at
excited/next/you/about/sleepover/Friday/are
You are excited about sleepover next Friday.
They are excited ... the football match.
about
interested/I/sport/in/am not
I am not interested in sport.
He is scared ... snakes.
of
We are interested ... Geography.
in
dancing/bad/are/we/at
We are bad at dancing.
Tom/of/spiders/scared/is
Tom is scared of spiders.
good/they/singing/at/are
They are good at singing.
You are good ... at Maths.
at
I am worried ... my test result.
about
he/about/is/sister/worried/his
He is worried about his sister.