Помогите! срочно! пожалуйста. на знаки с права не обращайте внимания

1-е и 2-е задание уже написано в example  3) The chair is as high as the bench  4) The girl is as tall as the boy 5) The green tree is not as/so tall as the yellow tree 6) The sitting room is not as/so cosy as the beddroom