です

それは確かに一案です。

That's certainly one possibility.

本状の持参人は友人の鈴木君(くん)です。

The bearer of this letter is my friend Suzuki.

これは兄(あに)です。かっこいいですね。

This is my brother. Handsome, isn't he?

私(わたし)も親(おや)の面倒とか見られないですね。

I can't look after my parents and such either.

妹の咲子です。俺(おれ)と年子で、今(いま)受験生です。

This is my little sister Sakiko. She was born the same year as me and is now studying for her exams.