put a preposition from the box into each gap. FOR, WITHOUT, ON, OF ABOUT, BEFORE.
1) What do we think______when we use the words " The world around us"?
2) We see_______us many things such as large lands mountains, woods and rivers.
3)We know that there are many seas, lakes and rivers___ the Earth.
4) Water is a source_______life n the earth.
5) All living beings are not able to live_______ water.
Many rivers and lakes are polluted and cannot be used_________drinking.