Do you think that bridge               2000 meters long? It doesn’t appear  ______long. 

It’s ______ here; we can’t work long hours here.

Since I knew how hard the life they lead is, I have understood ____ they need so much money.

 ---I was riding along the street and all of a sudden, a car cut in and knocked me down. ---You can never be         careful in the street.

A good book is like a good friend. You cannot keep it          long.