Having devoted his life to the realization of racial equality，former South African President Nelson Mandela＿＿＿on December S，2013．
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A
passed away
B
had passed away
C
has passed away
D
passes away
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I________ an important conference at 10 o’clock this Sunday morning.
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A
will have attended
B
will be attending
C
have been attending
D
have attended
—I remember I left my laptop in the study last night. Why ________ here? —Oh, I thought you might need it so I brought it here for you.
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A
does it come
B
has it come
C
had it come
D
will it come
Would you please keep silent? The weather report ____ and I want to listen.
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A
is broadcast
B
is being broadcast
C
has been broadcast
D
had been broadcast
I won’t go to the party even if_______.
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A
inviting
B
being invited
C
invited
D
having invited
Stefan ________ from heart attack for more than ten years, but now he’s healthy and energetic.
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A
had suffered
B
suffered
C
has suffered
D
has been suffering