By the end of the lesson, the students will be able to describe things in the house or rooms, and use the prepositions of positions. II/ Language contents. 1, Vocabulary: closet, sink, refrigerator, stove, washing machine, dishwasher, dryer 2, Structure: Is there a/ an.........? Where is it? III/ Teaching aids. Make a plan. Prepare a book, a tape and a cassette- player. Are there.............? Where are they?