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My best friend is good___ swimming, but I do well ________running.
#50344
A
at; in
B
in ; at
C
at; at
D
in; in
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Look! They are sitting __________ the tree.
#48649
A
between
B
in front of
C
in the front of
D
in the front
The engineer will return from Macao ____ a few days.    
#50118
A
since
B
in
C
on
D
after
He has got a chair to sit _____ , but nobody to talk _____.
#48194
A
on; to
B
/; with
C
on; /
D
/; to
It’s sixty kilometers____ here to the school.
#49395
A
away from
B
far away from
C
away
D
far
—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