Вопрос по английскому языку:

Write the name of these places and thing.
1)a place where pupils have their lessons
2)a place they sit at
3)a place where pupils can write
4)a thing which helps pupils to draw lines
5)a thing which helps them to rub something out in their exercise-book
6)a thing whitch helps a teacher to show something on the black-board
7)a thing with the help of which we clean the furniture
ПОМОГИТЕ ПОЖАЛУЙСТА!!!