His grandfather and grandmother _____Chongqing for 40 years. They like living there.
#41981
A
have been in
B
have been to
C
have gone to
D
have moved to
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No one knew what        because of the thick fog.
#39880
A
he had happened
B
had happened to him
C
had he happened
D
has happened to him
The Whites ___________ many places of interest since they came to China.
#36345
A
visited
B
will visit
C
have visited
D
visit