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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
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— Does she often get to school ____________ bus?—Yes, quite often.
#47565
A
by
B
on
C
for
D
with
 Thanks _____ your help.
#47559
A
to
B
of
C
for
D
at
）Tong  is  afraid         ,because  he  was terrified  by  an  air  accident．
#48421
A
fly
B
of flying
C
to flying
D
flying
What’s this ________ Chinese?
#48358
A
in
B
at
C
of
D
on
Can you write to me and tell me ________ your studies?
#49028
A
for
B
with
C
in
D
about