In seventh grade, my students study locations and prepositions like in, on, by, and under. In eighth grade, they learn the patterns There is … and There are … The obvious natural topic is things in the classroom. Start off by talking about the TV or things near the door, and then use these flashcards to clarify the phrases.
For speaking activities, all true sentences should be considered acceptable. Instead of by, one might say next to or near. Instead of sofa, one might say couch. For seventh graders, trash can might be new vocabulary, and one might also say trash or garbage or garbage can. It’s good for students to learn that a single question can have many correct answers.