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China takes the leading position _____ space industry.
#47639
A
in
B
at
C
of
D
up
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Do you know the young lady ____ your mother is talking?
#50168
A
who
B
whom
C
with whom
D
which
They will arrive          our school         Sunday.
#48218
A
in, on
B
at, from
C
in, in
D
at, on
More and more students are going to have Friday afternoons________ to volunteer and help others.
#47498
A
at
B
in
C
on
D
off
I’m going ___ a picnic on Saturday.
#50021
A
at
B
for
C
in
D
with
—Do you spend a lot of time____ computer?—No, but I spend much time_____ doing my homework.
#48789
A
on; in
B
in; on
C
on; on
D
in; in