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
 The house is made _________ bamboo and it is made _________ six rooms.
#45918
A
up of; of
B
of; from
C
of; up of
D
from; of
.This CD-ROM can help you learn and have fun_____.
#49320
A
at times
B
on time
C
at the same time
D
in time
There are many tall trees _____ our classroom.
#50349
A
in the front
B
in front
C
in front of
D
in the front of
 Here are some flowers ___________ you __________ our best wishes.
#51096
A
to ; for
B
for; with
C
of; to
D
from; to