They cycle to school, don't they?
She eats vegetables and fruit, doesn't she?
Artic Ice is shrinking, isn't it?
Penicilin was discovered by Alexander Flemming, wasn't it?
Polar bears are in danger, aren't they?
We bought new lightbullbs, didn't we?
You shouldn't take long showers, should you?
She shouldn't throw batteries to the trash, should they?
She doesn't eat vegetables and fruit, does she?
You can't recycle polystyrene cups, can you?
They eat fast food, don't they?
