— You seem familiar with Mr. John?—Of course, we _________ together for three years in the 1990s.
#38207
A
have worked
B
were working
C
are working
D
worked
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Most people _______when the big earthquake took place in that area.
#41920
A
are sleeping
B
were sleeping
C
slept
D
sleep
----Can you tell me if he ________ ?----If he _________, I will call you.
#39838
A
comes, comes
B
will come, comes
C
comes, will come
D
will come, will come
 China        a lot in the       ten years.
#38575
A
changed, past
B
was changed, first
C
has changed, last
D
has changed, next