问题补充:
You can never be when crossing the street.
A. very careful
B. too careful
C. carefully enough
D. enough careful
答案:
A. very careful
(答案→)B. too careful
C. carefully enough
D. enough careful
解析:考查形容词。本题考查短语can never … too …再……也不为过,句意:过大街你再小心也不为过。