By the time he arrived at the airport, the plane            .
#41977
A
has taken off
B
was taking off
C
would take off
D
had taken off
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My sister       Shanghai for two years.
#40096
A
has been to
B
has gone to
C
has come to
D
has been in
My cousin is a secretary. She ______in that company for over six years.
#41764
A
will work
B
is working
C
has worked
D
works