--It’s clever _____ you to help me work out this difficult maths problem. Thanks.--- You are welcome. Now it’s easier ______ you to understand it.
#47375
A
of; of
B
of; for
C
for; of
D
for; for
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—May I ask you _____ the writer? —Sorry. I don’t know him. You can ask Sam ______ help.
#48212
A
about; for
B
about; about
C
for; for
D
for; about
Bonnie looks very smart and is always pink because pink is her favorite color.
#50614
A
with
B
on
C
about
D
in
–What are the police doing? –They are running __________the robber to catch him.
#49552
A
before
B
with
C
after
D
around
A terrible earthquake happened_________the afternoon of March 11th, 2011 in Japan.
#49860
A
to
B
on
C
in
D
at