Example:his shoes (dirty) clean Are his shoes dirty or clean?They're not dirty They're clean 做一

children,grandmother and grandfather,hats全是复数,be动词都要用are
Are the children tired or thirsty?they are not tired,they are thirsty.
Are the grandmother and grandfather young or old they are not young,they are old.
Are the hats old or new they are not old,they are new.