—I’ll talk to my son Bill about it as soon as possible． He usually listens．—We need _______ listening． We need action．

----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.

______, in spite of everything, he managed to get through all his tasks in advance.

Their university is located on a beautiful lake, ____ of this developing city. 

A man may usually be known by the books he reads _____ by the friends he keeps.