He was listening to my joke with a grin.

He opened the present with a big grin.

He is particularly good at mathematics.

Her dress was in a dull color, and it was very nice.

He started to run even faster.

He subsequently became a famous writer.

Then, we went to see a movie.

He is solely devoted to his work.

Even though he studied, he failed the test.

Let's solve this problem together.