It is very kind ______ you to help me with my lessons because it is very difficult ______me to learn them well.
#48320
A
of; for
B
of; of
C
for; of
D
for; for
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--- Have you got the e-mail I sent you this morning? --- I found an e-mail in my mailbox, but it wasn’t ______ you.
#50560
A
from
B
for
C
about
D
with
Some volunteers(志愿者) from Beijing arrived in Shanghai April 29 to work for the World Expo.
#49872
A
on
B
at
C
of
D
to