Having devoted his life to the realization of racial equality，former South African President Nelson Mandela＿＿＿on December S，2013．
#99772
A
passed away
B
had passed away
C
has passed away
D
passes away
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—— Look at the black clouds.It ＿＿＿＿＿＿ soon. —— Sure.If only we ＿＿＿＿＿out.
#104672
A
is raining； didn’ t come
B
is to rain； won’ t start
C
will rain； haven’ t started
D
is going to rain； hadn’ t come
More than twenty years____________since he came to teach in this school, and every student and every parent_____him.
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A
have passed,like
B
has passed,likes
C
have passed,likes
D
has passed,like
— What’s that terrible noise ?— The neighbors _____ for a party.
#105005
A
have prepared
B
are preparing
C
prepare
D
will prepare
Land animals are believed ______ from sea animals.
#103259
A
to have developed
B
to have been developed
C
having developed
D
having been developed
(2014·东北三省三校一联)Traffic conditions in Beijing________for decades.At first people only complained about jams during rush hours，but today every hour is rush hour.
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A
is worsening
B
have worsened
C
have been worsening
D
worsened