—How well do you know the Opera House?—I know the place very well. I ____ Sydney many times.
#42027
A
have been in
B
have been to
C
have gone to
D
have arrived in
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While I ___________ TV, the bell rang.
#42227
A
watch
B
watched
C
am watching
D
was watching
Zhang Liang was a cook years ago, but he______  a model over the years.
#37441
A
has become
B
became
C
becomes
D
has been