----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.

---- 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.

---- 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．very             B．too              C．so               D．much

----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.

 ---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. much  B. very    C. so      D. too