Task 2: Work with whole class. Fill the missed prepositions and put them on the places. (with, on, of, about, of, by) The Caspian Sea is the largest enclosed body …. water …. Earth. Caspian Sea washes the western part … KZ. Caspian Sea is not connected an ocean which makes it like a lake. The northern part of the sea is ….. 6 m deep. The northern part differentiates …. the sudden changeability of the air temperature and insufficiency.