It’s very kind _____you to help me with my maths.  It is hard _____me to learn it well. 
#50290
A
of; for
B
of; of
C
for; of
D
for; for
推荐题目
Thank you ___your postcard ___ Shanghai.
#49715
A
of, of
B
for, from
C
from, from
D
for ,for
Wei Fang is young,but she plays ping-pong ____ her mother. 
#50705
A
as good as
B
as well as
C
as better as
D
as best as
I can help him ______his English.
#48752
A
with
B
at
C
on
D
in