He is good at singing songs in head voice.

He is active as the young leader of this organization.

He instinctively scratched his head when faced with a difficult problem.

He scratched his head when faced with a difficult problem.

He is bright, so he was able to solve the problem immediately.

Excuse me, may I come in?

I presented her with flowers.

His memory is very vivid.

He suffered from amnesia after the accident.

It is said that his wealth amounts to vast numbers.