He specializes in the study of the brainstem.

He suffered for a long time from a bone marrow disease.

You need to use your head to solve this problem.

He is using that coat from winter to spring.

She is planning a date with her current boyfriend.

He lost everything.

My boyfriend gave me a gift.

Everyone was surprised by the news.

He likes to take a walk in the park at dusk.

My pet budgerigar is very smart.