There is a class observation at my son's school tomorrow.

The use of mobile phones is prohibited during class.

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 recognizes the importance of oral history.

He interprets world events from a historicism perspective.

He is a famous historian and has written many history books.

He is trying to hide his embarrassing past.