He felt labored breathing and immediately contacted a doctor.

The teacher wrote the problem on the blackboard.

His jet is equipped with an afterburner.

She is a twin sister.

Where is the lid for this pot?

He was like a double-dealer, expressing different opinions to two groups.

I am looking forward to the day we meet again.

Again, he started that story.

The Lao People's Democratic Republic is located in Southeast Asia.

The history of the British Empire is very interesting.