But often the drivers just go by, taking the human traffic        for granted. 
#12837
A
sign
B
symbol
C
signal
D
mark
推荐题目
Statistics show that men have ___ as women do for every mile they drive. 
#13236
A
serious accidents as twice many
B
twice as many serious accidents
C
twice serious accidents as many
D
serious accidents as many twice
____ with what the students had done, the teacher praised them highly.
#12148
A
Delight
B
Delighting
C
Delighted
D
Being delighting