Make a sentence: he / good at
He's good at playing the keyboard.
Is he good at riding a bike?
Yes, he is.
Make a sentence: he / bad at
He's bad at painting pictures.
What's his talent?
He's good at juggling.
Make a sentence: she / good at
She's good at baking cupcakes.
Make a sentence: they / bad at
They're bad at acting.
Is he good at rollerblading?
No, he isn't.
What's her talent?
She's good at dancing.
Is he good at skateboarding?
No, he isn't.
What's their talent?
They're good at skipping.