I visited an art exhibition last weekend.

He is a very social person.

Mark your calendar for the upcoming event.

He pulled the heavy suitcase up the stairs.

Scientific research has led to many advancements in technology.

The author of this book is very famous.

He studied hard, therefore he passed the exam.

The civil rights movement fought for equal rights for all citizens.

I collected all the materials necessary for the experiment.

He managed to escape from the prison.