--It’s clever _____ you to help me work out this difficult maths problem. Thanks.--- You are welcome. Now it’s easier ______ you to understand it. 
#47375
A
of; of
B
of; for
C
for; of
D
for; for
推荐题目
Who argued ______ your best friend?
#50724
A
with
B
about 
C
under 
D
beside
 To ________ , I won the first prize.
#47694
A
me surprise
B
my surprised
C
I surprised
D
my surprise