The population of China___ to many times what it was in 1949, and most of its population ___ farmers.
#85694
A
have grown; are
B
have grown; is
C
has grown; is
D
has grown; are
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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
A library together with 5000 books for the school.
#86091
A
was provided
B
were provided
C
provided
D
have provided