You cannot be______ careful when driving a car on the superhighway.
A.very
B.too
C.so
D.enough
Be careful next time;_______?
A.don’t you
B.are you
C.will you
D.aren’t you
A.encounter
B.challenge
C.face with
D.experience
How ______ of you to remember my birthday!
A. thoughtful
B. thoughtfully
C. careful
D. carefully
A.nervous
B.careful
C.careless
D.hurried