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
 If people change the wetlands to make space____ farms, the birds will not have enough space _____.
#48303
A
for, to live
B
for, to live in
C
from, living
D
to, living in
 The young girl showed great courage        danger.
#45829
A
in the hope of
B
in the face of
C
in favor of
D
in need of
Please call me ______ 235—5680.
#50310
A
in
B
on
C
at
D
for