His research focuses on the relationship between specific diseases and karyotypes.

His true value is his leadership under difficult circumstances.

He is attending a college preparatory school.

Ebola virus disease is highly infectious and can cause severe symptoms.

He is a famous author, and his works are loved by many readers.

He is an excellent doctor.

He learned how to operate an anti-aircraft gun.

He is a latecomer in this field, but he has already achieved a lot of success.

I prefer the latter over the former.

The new school building is very spacious, and the facilities are also the latest.