This problem is a piece of cake.

He was sitting cross-legged on the floor reading a book.

Even if he is said to be the best, I think it stands to reason.

She curled her hair using a curling iron.

Her hair is curly and very cute.

He was stunned when he heard the news.

He made the story interesting using figures of speech.

His help was actually an unwelcome favour.

From his actions, I thought it was a sure thing (Internet slang).

I have been to France once.