12.—It is cold to-day; you must put on something more.
13.—Has he got on boots or shoes? He has on boots.
14.—This handkerchief is dirty; put it in the basin and wash it.
15.—Are you in the habit of wearing boots or shoes? In the house I wear shoes. When I go to the office I wear boots.
16.—These leather boots of yours have been lying by a long time; they must be brushed and washed.
17. When you wash your hands, do you prefer cold water or boiling water? Both are bad. Cold water is too cold; boiling water is too hot. Warm water is the best.
18.—Be quick and pour this water into the pan and warm it.
19.—This fire is out. This water has been on some time and will not boil.
20.—To wash clothes it is best to use hot water. The water used to clean boots must be cold.