He is good at transliterating that sentence.

This fort played an important role during the war.

This project is almost finished.

This Chinese fan palm is my favorite plant.

Riho is my best friend.

I see, I've understood the solution to that problem well.

This shirt is made of cotton.

He caught a cold and was coughing, making a 'gohogoho' sound.

I caught a cold and am coughing, 'geho-geho'.

He is collecting a hundred old coins.