You can never be ________ when crossing the street. 
#19693
A
very careful
B
too careful
C
carefully enough
D
enough careful
推荐题目
From the ___ expression on her face, we knew that the problem was ____.
#20557
A
puzzling….puzzling
B
puzzled…puzzled
C
puzzling..puzzled
D
puzzled..puzzling
John was so sleepy that he could hardly keep his eyes ______.
#20384
A
open
B
to be opened
C
to open
D
opening
Bob’s salary is three times ______, so John admires Bob very much.
#19643
A
as high as that of John
B
as bigger as that of John
C
as high as John
D
as much as John