His Japanese sentences have many grammar mistakes.

His explanation was impossible to understand.

I am interested in Japanese language education.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.

Everyone was surprised by the news.

This music is flowing with a pleasant ⠐⠫ along with a beautiful melody.

I am very interested in natural science.

Natural numbers start from 0 and continue as 1, 2, 3, 4, 5, 6, 7, 8, 9.