--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
He gets to school           .
#47969
A
ride a bike
B
by a bus
C
take a train
D
on foot
Mr Green has lived in China _______ two years ago.
#48156
A
before
B
after
C
for
D
since
– Why did they help Mrs Brown with her work?– Because she was _____.
#48074
A
an old friend of them
B
the friend of them
C
on the their friend
D
a good friend of theirs