—Have you known Dr. Jackson for a long time?—Yes,since she ________ the Chinese  Society.  
#99164
A
has joined
B
joins
C
had joined
D
joined
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All that can be said ______.
#103825
A
has been said
B
have been said
C
is said
D
are to be said
A warm welcome ______ to the American guests at the airport tomorrow morning.
#102949
A
is given
B
has been given
C
is going to give
D
will be given