We need to classify the books into different genres.

Many people call into question the validity of the study.

People flood into the city during the holiday season.

I didn't expect to run into my old friend at the grocery store.

She can make a delicious cake into a work of art.

I always seem to get into trouble.

He burst into the room without knocking.

I am really into playing guitar.

He was thrown out into the street by his landlord.

He brought the two friends into contact with each other.