Once new difficulties _________ in your work, it’s always important to use your brains.
#101546
A
raise
B
arise
C
arouse
D
rise
推荐题目
I should say sorry to you but I ____trouble.    
#102836
A
did not mean causing
B
did not mean to cause
C
meant causing
D
meant to cause
The news came as no surprise to me, for I _______of it earlier.
#103538
A
hear
B
heard
C
had heard
D
have heard