Every possible means ______ to prevent the air pollution, but the sky is still not clear. 
#85598
A
has been used 
B
have been used
C
is used 
D
are used
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In the city the old ______.
#86102
A
take good care of
B
are taken good care of
C
is taken good care of
D
are been taken good care of
There _____ an exciting party at Mr. Wang’s this evening.
#44135
A
will be
B
will have
C
are going to be
D
is going to have
There _______ a meeting tomorrow. 
#44096
A
will be
B
is will be
C
is will
D
will have