He is good at reading Russian text.

This question text is too difficult, it's hard to understand.

Reading his love letter, my heart fluttered.

He drew a heptagon shape.

Nanamiko is my best friend.

I wake up at seven o'clock every day.

Mr. Nanatani is my best friend.

My younger sister is seventeen years old.

Let's have a barbecue with a shichirin tonight.

It's very interesting to learn about the Seven Wonders of the World.