I ran across David while walking along the street yesterday. I ________ him for three years.
#100346
A
hadn’t seen
B
didn’t see
C
haven’t seen
D
don’t see
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He has changed a lot. He _________ not what he _________. 
#104719
A
is, is
B
was, was
C
is, was
D
was, is
 ---Do you have any news about Bob?  ---Yeah. We ______ each other quite a lot recently.
#99888
A
have been seeing
B
had been seeing
C
see
D
have seen
The flowers were so lovely that they __________ in no time.
#104608
A
sold
B
had been sold
C
were sold
D
would sell