—Have you heard about the recent election?—Sure, it _______ the only thing on the news for the last three days.
#100233
A
would be
B
is
C
has been
D
will be
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It is believed that many more popular terms ________ on the Internet this year.
#102874
A
will be created
B
have created
C
are created
D
are creating
-----What _____?-----I______my key and can't open the door. 
#104186
A
happened, lost
B
has happened, lost
C
happens, have lost
D
has happened, have lost