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My parents are going to Shanghai _________ Monday morning.
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A
at
B
in
C
on
D
of
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I have problems _______many things. For example, I have problems ________ learning Maths well.
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with, in
B
about, with
C
in, with
D
in, about
This CD-ROM can help you learn and have fun ______.
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at times
B
on time
C
at the same time
D
in time
What's Gina doing _______vacation?
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for
B
in
C
to
D
of
 _____his free time, he often watches ball games ____TV.
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On, in
B
On, on
C
In, in
D
In, on
There are six floors ______our school building. Our class is ______ the third floor.
#46412
A
in, on
B
in, in
C
on, in
D
on, on