In the last few years thousands of films ________ all over the world.
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A
have produced
B
have been produced
C
are producing
D
are being produced
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Years of fighting have ______ the area ______.
#63754
A
remained; in ruins
B
left; in ruins
C
remained; in ruin
D
left; in ruin
I know little about the accident because not much ______ about it up to now.
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A
has said
B
has been said
C
had said
D
had been said
They ______Hong Kong twice.  
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A
have gone to
B
have been to
C
have been in
D
have gone in