Подчеркни правильное слово there is/are a cooker in the kitchen. there is /are some milk in the glass. there is/are shelves on the wall. there is/are a computer on the desk. there is/are three posters in my room

1 There is a cooker in the kitchen.
2 There are shelves on the wall.
3 There is some milk in the glass.
4 There is a computer on the desk.
5 There are three posters in the room.