Fill in: on,in or into. It is...the table.put the book...the bag.

It is on the table. Put the book into the bag. There is a beautiful picture on the wall. He went in the third room. I like to sit on the sofa in my room. There are many people in the park today. There is a girl standing on the bridge.

Пояснение: предлоги необходимо употребить так, чтоб итоговое предложение имело смысл. Предлог on значит "на, на поверхности. In - "в". Into - в, снутри.