A baby's fontanelle naturally closes a few months after birth.

He likes to take a walk in the park at dusk.

He is a very excellent performer.

He dreams of becoming a famous cartoonist.

He is a specialist in that field.

He is a world-famous judoka.

I think he is a competent politician.

He is a fan of jazz.

My grandfather used to raise domestic silkworms and make silk.

My domestic dog is very smart.