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
推荐题目
By the time he ____ at the party, all the other guests ____ playing games.
#102205
A
arrived; had begun
B
arrived; began
C
had arrived; began
D
had arrived; have begun
The bridge, which _________ 1688, needs repairing.
#104718
A
is dated from
B
was dated from
C
dates from
D
dated from
My uncle _____ in Taiwan for 20 years. Now he has settled down in mainland.
#102308
A
lived
B
had lived
C
has lived
D
was living