During the past 120 years, the world three waves of global economic integration（联合）.
#100672
A
witnessed
B
witnesses
C
has witnessed
D
will witness
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It will not be long before that young journalist _______ me again.
#100422
A
will meet
B
met
C
meets
D
would meet
The two old sisters, so long, held each other and burst into tears．
#102459
A
being separated
B
having been separated
C
having separated
D
had been separated
He _____ as a national hero for winning the first gold medal for his country in the Olympics.
#101183
A
regarded
B
was regarded
C
has regarded
D
had been regarded
.She is the only one of those women archaeologists who ________ chosen to go to Loulan.
#103851
A
has
B
has been
C
have been
D
had been
They ______ on the program for almost one week before I joined them, and now we _____on it as no good results have come out so far.
#104931
A
had been working; are still working
B
had worked; were still working
C
have been working; have worked
D
have worked; are still working