The editor could have ____ the error before it was published; it was so obvious. 
#12756
A
added
B
spotted
C
gained
D
ignored
推荐题目
________ and we’ll get everything ready for the taking off.
#14404
A
Have one more hour
B
One more hour
C
Given one more hour
D
If I have one more hour
There has been ____ accidents on this part of road. 
#14351
A
a number of
B
a great deal of
C
a series of
D
plenty of