I know little about the accident because not much ______ about it up to now.
#63758
A
has said
B
has been said
C
had said
D
had been said
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They ______Hong Kong twice.  
#63785
A
have gone to
B
have been to
C
have been in
D
have gone in
Mary said that she  ___________ London.
#63780
A
has never gone to
B
has never been ,to
C
had never been to
D
had never gone to