They ______Hong Kong twice.
#63785
A
have gone to
B
have been to
C
have been in
D
have gone in
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In the last few years thousands of films ____ all over the world.
#63784
A
have produced
B
have been produced
C
are producing
D
are being produced
Up to now, our society ________ with limited living space and a shortage of natural resources.
#63760
A
has been challenged
B
is being challenged
C
is challenging
D
has challenged
Mary has __________ herself __________ for the party.
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A
held; up
B
attended; to
C
done; up
D
turned; up
In the last few years thousands of films ________ all over the world.
#63768
A
have produced
B
have been produced
C
are producing
D
are being produced
My study of biology has ______ much of my spare time, but it has given me a great deal of enjoyment.
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A
taken off
B
taken down
C
taken up
D
taken away