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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—Why,Jack,you look so tired!—Well,I ________ the house and I must finish the work tomorrow.
#63774
A
was painting
B
will be painting
C
have painted
D
have been painting
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